Home / 745,831.17-1,029,253.77-406,299.42

Finding the Fourth Proportional to 745,831.17, 1,029,253.77 and 406,299.42

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Solution

The fourth proportional to 745,831.17, 1,029,253.77 and 406,299.42 is: 560,696.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,831.17 : 1,029,253.77 = 406,299.42 : x
  2. Step 2: Convert to fraction form
    745,831.17/1,029,253.77 = 406,299.42/x
  3. Step 3: Cross multiply
    745,831.17x = 1,029,253.77 × 406,299.42
  4. Step 4: Simplify right side
    745,831.17x = 418,185,209,783.81
  5. Step 5: Solve for x
    x = 418,185,209,783.81/745,831.17
  6. Step 6: Final answer
    x = 560,696.88

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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.