Home / 415,030.60-572,718.90-245,280.52

Finding the Fourth Proportional to 415,030.60, 572,718.90 and 245,280.52

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Solution

The fourth proportional to 415,030.60, 572,718.90 and 245,280.52 is: 338,473.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,030.60 : 572,718.90 = 245,280.52 : x
  2. Step 2: Convert to fraction form
    415,030.60/572,718.90 = 245,280.52/x
  3. Step 3: Cross multiply
    415,030.60x = 572,718.90 × 245,280.52
  4. Step 4: Simplify right side
    415,030.60x = 140,476,789,605.83
  5. Step 5: Solve for x
    x = 140,476,789,605.83/415,030.60
  6. Step 6: Final answer
    x = 338,473.33

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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.