Home / 526,853.10-787,946.85-442,872.30

Finding the Fourth Proportional to 526,853.10, 787,946.85 and 442,872.30

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Solution

The fourth proportional to 526,853.10, 787,946.85 and 442,872.30 is: 662,347.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,853.10 : 787,946.85 = 442,872.30 : x
  2. Step 2: Convert to fraction form
    526,853.10/787,946.85 = 442,872.30/x
  3. Step 3: Cross multiply
    526,853.10x = 787,946.85 × 442,872.30
  4. Step 4: Simplify right side
    526,853.10x = 348,959,833,737.26
  5. Step 5: Solve for x
    x = 348,959,833,737.26/526,853.10
  6. Step 6: Final answer
    x = 662,347.50

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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.