Home / 745,592.18-1,028,917.08-406,060.43

Finding the Fourth Proportional to 745,592.18, 1,028,917.08 and 406,060.43

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Solution

The fourth proportional to 745,592.18, 1,028,917.08 and 406,060.43 is: 560,363.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,592.18 : 1,028,917.08 = 406,060.43 : x
  2. Step 2: Convert to fraction form
    745,592.18/1,028,917.08 = 406,060.43/x
  3. Step 3: Cross multiply
    745,592.18x = 1,028,917.08 × 406,060.43
  4. Step 4: Simplify right side
    745,592.18x = 417,802,506,794.56
  5. Step 5: Solve for x
    x = 417,802,506,794.56/745,592.18
  6. Step 6: Final answer
    x = 560,363.32

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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.