Home / 724,582.55-999,955.14-402,292.67

Finding the Fourth Proportional to 724,582.55, 999,955.14 and 402,292.67

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Solution

The fourth proportional to 724,582.55, 999,955.14 and 402,292.67 is: 555,181.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,582.55 : 999,955.14 = 402,292.67 : x
  2. Step 2: Convert to fraction form
    724,582.55/999,955.14 = 402,292.67/x
  3. Step 3: Cross multiply
    724,582.55x = 999,955.14 × 402,292.67
  4. Step 4: Simplify right side
    724,582.55x = 402,274,618,151.05
  5. Step 5: Solve for x
    x = 402,274,618,151.05/724,582.55
  6. Step 6: Final answer
    x = 555,181.22

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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.