Home / 490,291.60-676,681.14-458,273.92

Finding the Fourth Proportional to 490,291.60, 676,681.14 and 458,273.92

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Solution

The fourth proportional to 490,291.60, 676,681.14 and 458,273.92 is: 632,491.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,291.60 : 676,681.14 = 458,273.92 : x
  2. Step 2: Convert to fraction form
    490,291.60/676,681.14 = 458,273.92/x
  3. Step 3: Cross multiply
    490,291.60x = 676,681.14 × 458,273.92
  4. Step 4: Simplify right side
    490,291.60x = 310,105,318,617.87
  5. Step 5: Solve for x
    x = 310,105,318,617.87/490,291.60
  6. Step 6: Final answer
    x = 632,491.60

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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.