Home / 438,124.80-658,569.60-404,947.20

Finding the Fourth Proportional to 438,124.80, 658,569.60 and 404,947.20

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Solution

The fourth proportional to 438,124.80, 658,569.60 and 404,947.20 is: 608,698.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,124.80 : 658,569.60 = 404,947.20 : x
  2. Step 2: Convert to fraction form
    438,124.80/658,569.60 = 404,947.20/x
  3. Step 3: Cross multiply
    438,124.80x = 658,569.60 × 404,947.20
  4. Step 4: Simplify right side
    438,124.80x = 266,685,915,525.12
  5. Step 5: Solve for x
    x = 266,685,915,525.12/438,124.80
  6. Step 6: Final answer
    x = 608,698.52

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1.5x scale

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.