Home / 724,867.62-1,000,345.50-402,602.28

Finding the Fourth Proportional to 724,867.62, 1,000,345.50 and 402,602.28

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Solution

The fourth proportional to 724,867.62, 1,000,345.50 and 402,602.28 is: 555,606.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,867.62 : 1,000,345.50 = 402,602.28 : x
  2. Step 2: Convert to fraction form
    724,867.62/1,000,345.50 = 402,602.28/x
  3. Step 3: Cross multiply
    724,867.62x = 1,000,345.50 × 402,602.28
  4. Step 4: Simplify right side
    724,867.62x = 402,741,379,087.74
  5. Step 5: Solve for x
    x = 402,741,379,087.74/724,867.62
  6. Step 6: Final answer
    x = 555,606.80

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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.