Home / 724,930.44-1,000,376.15-402,661.07

Finding the Fourth Proportional to 724,930.44, 1,000,376.15 and 402,661.07

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Solution

The fourth proportional to 724,930.44, 1,000,376.15 and 402,661.07 is: 555,656.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,930.44 : 1,000,376.15 = 402,661.07 : x
  2. Step 2: Convert to fraction form
    724,930.44/1,000,376.15 = 402,661.07/x
  3. Step 3: Cross multiply
    724,930.44x = 1,000,376.15 × 402,661.07
  4. Step 4: Simplify right side
    724,930.44x = 402,812,523,946.29
  5. Step 5: Solve for x
    x = 402,812,523,946.29/724,930.44
  6. Step 6: Final answer
    x = 555,656.79

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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.