Home / 858,975.48-1,287,491.04-437,360.76

Finding the Fourth Proportional to 858,975.48, 1,287,491.04 and 437,360.76

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Solution

The fourth proportional to 858,975.48, 1,287,491.04 and 437,360.76 is: 655,546.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,975.48 : 1,287,491.04 = 437,360.76 : x
  2. Step 2: Convert to fraction form
    858,975.48/1,287,491.04 = 437,360.76/x
  3. Step 3: Cross multiply
    858,975.48x = 1,287,491.04 × 437,360.76
  4. Step 4: Simplify right side
    858,975.48x = 563,098,059,747.59
  5. Step 5: Solve for x
    x = 563,098,059,747.59/858,975.48
  6. Step 6: Final answer
    x = 655,546.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.