Home / 724,441.04-999,719.88-402,153.68

Finding the Fourth Proportional to 724,441.04, 999,719.88 and 402,153.68

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Solution

The fourth proportional to 724,441.04, 999,719.88 and 402,153.68 is: 554,967.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,441.04 : 999,719.88 = 402,153.68 : x
  2. Step 2: Convert to fraction form
    724,441.04/999,719.88 = 402,153.68/x
  3. Step 3: Cross multiply
    724,441.04x = 999,719.88 × 402,153.68
  4. Step 4: Simplify right side
    724,441.04x = 402,041,028,711.16
  5. Step 5: Solve for x
    x = 402,041,028,711.16/724,441.04
  6. Step 6: Final answer
    x = 554,967.22

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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.