Home / 731,163.40-1,009,008.18-425,313.16

Finding the Fourth Proportional to 731,163.40, 1,009,008.18 and 425,313.16

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Solution

The fourth proportional to 731,163.40, 1,009,008.18 and 425,313.16 is: 586,933.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,163.40 : 1,009,008.18 = 425,313.16 : x
  2. Step 2: Convert to fraction form
    731,163.40/1,009,008.18 = 425,313.16/x
  3. Step 3: Cross multiply
    731,163.40x = 1,009,008.18 × 425,313.16
  4. Step 4: Simplify right side
    731,163.40x = 429,144,457,501.65
  5. Step 5: Solve for x
    x = 429,144,457,501.65/731,163.40
  6. Step 6: Final answer
    x = 586,933.72

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Double scale
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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.