Home / 993,213-1,490,052.78-328,365

Finding the Fourth Proportional to 993,213, 1,490,052.78 and 328,365

Calculator

Solution

The fourth proportional to 993,213, 1,490,052.78 and 328,365 is: 492,624.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,213 : 1,490,052.78 = 328,365 : x
  2. Step 2: Convert to fraction form
    993,213/1,490,052.78 = 328,365/x
  3. Step 3: Cross multiply
    993,213x = 1,490,052.78 × 328,365
  4. Step 4: Simplify right side
    993,213x = 489,281,181,104.70
  5. Step 5: Solve for x
    x = 489,281,181,104.70/993,213
  6. Step 6: Final answer
    x = 492,624.62

Related Problems

Find fourth proportional to 496,606.50, 745,026.39 and 164,182.50
Half scale
Find fourth proportional to 1,986,426, 2,980,105.56 and 656,730
Double scale
Find fourth proportional to 993,214, 1,490,054.28 and 328,366
Similar ratio
Find fourth proportional to 1,489,819.50, 2,235,079.17 and 492,547.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.