Home / 731,421.77-1,008,955.73-425,463.71

Finding the Fourth Proportional to 731,421.77, 1,008,955.73 and 425,463.71

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Solution

The fourth proportional to 731,421.77, 1,008,955.73 and 425,463.71 is: 586,903.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,421.77 : 1,008,955.73 = 425,463.71 : x
  2. Step 2: Convert to fraction form
    731,421.77/1,008,955.73 = 425,463.71/x
  3. Step 3: Cross multiply
    731,421.77x = 1,008,955.73 × 425,463.71
  4. Step 4: Simplify right side
    731,421.77x = 429,274,045,984.24
  5. Step 5: Solve for x
    x = 429,274,045,984.24/731,421.77
  6. Step 6: Final answer
    x = 586,903.57

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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.