Home / 745,925.40-1,029,367.44-406,393.92

Finding the Fourth Proportional to 745,925.40, 1,029,367.44 and 406,393.92

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Solution

The fourth proportional to 745,925.40, 1,029,367.44 and 406,393.92 is: 560,818.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,925.40 : 1,029,367.44 = 406,393.92 : x
  2. Step 2: Convert to fraction form
    745,925.40/1,029,367.44 = 406,393.92/x
  3. Step 3: Cross multiply
    745,925.40x = 1,029,367.44 × 406,393.92
  4. Step 4: Simplify right side
    745,925.40x = 418,328,669,061.97
  5. Step 5: Solve for x
    x = 418,328,669,061.97/745,925.40
  6. Step 6: Final answer
    x = 560,818.37

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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.