Home / 731,507.70-1,009,457.19-409,210.86

Finding the Fourth Proportional to 731,507.70, 1,009,457.19 and 409,210.86

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Solution

The fourth proportional to 731,507.70, 1,009,457.19 and 409,210.86 is: 564,697.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,507.70 : 1,009,457.19 = 409,210.86 : x
  2. Step 2: Convert to fraction form
    731,507.70/1,009,457.19 = 409,210.86/x
  3. Step 3: Cross multiply
    731,507.70x = 1,009,457.19 × 409,210.86
  4. Step 4: Simplify right side
    731,507.70x = 413,080,844,853.08
  5. Step 5: Solve for x
    x = 413,080,844,853.08/731,507.70
  6. Step 6: Final answer
    x = 564,697.88

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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.