Home / 526,943.60-788,082.60-442,962.80

Finding the Fourth Proportional to 526,943.60, 788,082.60 and 442,962.80

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Solution

The fourth proportional to 526,943.60, 788,082.60 and 442,962.80 is: 662,483.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,943.60 : 788,082.60 = 442,962.80 : x
  2. Step 2: Convert to fraction form
    526,943.60/788,082.60 = 442,962.80/x
  3. Step 3: Cross multiply
    526,943.60x = 788,082.60 × 442,962.80
  4. Step 4: Simplify right side
    526,943.60x = 349,091,275,127.28
  5. Step 5: Solve for x
    x = 349,091,275,127.28/526,943.60
  6. Step 6: Final answer
    x = 662,483.19

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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.