Home / 916,237.60-1,374,356.40-384,359.20

Finding the Fourth Proportional to 916,237.60, 1,374,356.40 and 384,359.20

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Solution

The fourth proportional to 916,237.60, 1,374,356.40 and 384,359.20 is: 576,538.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,237.60 : 1,374,356.40 = 384,359.20 : x
  2. Step 2: Convert to fraction form
    916,237.60/1,374,356.40 = 384,359.20/x
  3. Step 3: Cross multiply
    916,237.60x = 1,374,356.40 × 384,359.20
  4. Step 4: Simplify right side
    916,237.60x = 528,246,526,418.88
  5. Step 5: Solve for x
    x = 528,246,526,418.88/916,237.60
  6. Step 6: Final answer
    x = 576,538.80

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Similar ratio
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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.