Home / 407,265.92-560,034-353,457.50

Finding the Fourth Proportional to 407,265.92, 560,034 and 353,457.50

Calculator

Solution

The fourth proportional to 407,265.92, 560,034 and 353,457.50 is: 486,041.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,265.92 : 560,034 = 353,457.50 : x
  2. Step 2: Convert to fraction form
    407,265.92/560,034 = 353,457.50/x
  3. Step 3: Cross multiply
    407,265.92x = 560,034 × 353,457.50
  4. Step 4: Simplify right side
    407,265.92x = 197,948,218,955.09
  5. Step 5: Solve for x
    x = 197,948,218,955.09/407,265.92
  6. Step 6: Final answer
    x = 486,041.70

Related Problems

Find fourth proportional to 203,632.96, 280,017 and 176,728.75
Half scale
Find fourth proportional to 814,531.83, 1,120,068 and 706,915.01
Double scale
Find fourth proportional to 407,266.92, 560,035.38 and 353,458.50
Similar ratio
Find fourth proportional to 610,898.87, 840,051 and 530,186.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.