Home / 877,097.28-1,210,188.96-514,502.40

Finding the Fourth Proportional to 877,097.28, 1,210,188.96 and 514,502.40

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Solution

The fourth proportional to 877,097.28, 1,210,188.96 and 514,502.40 is: 709,892.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,097.28 : 1,210,188.96 = 514,502.40 : x
  2. Step 2: Convert to fraction form
    877,097.28/1,210,188.96 = 514,502.40/x
  3. Step 3: Cross multiply
    877,097.28x = 1,210,188.96 × 514,502.40
  4. Step 4: Simplify right side
    877,097.28x = 622,645,124,373.50
  5. Step 5: Solve for x
    x = 622,645,124,373.50/877,097.28
  6. Step 6: Final answer
    x = 709,892.89

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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.