Home / 987,063.90-1,480,595.85-355,977.72

Finding the Fourth Proportional to 987,063.90, 1,480,595.85 and 355,977.72

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Solution

The fourth proportional to 987,063.90, 1,480,595.85 and 355,977.72 is: 533,966.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,063.90 : 1,480,595.85 = 355,977.72 : x
  2. Step 2: Convert to fraction form
    987,063.90/1,480,595.85 = 355,977.72/x
  3. Step 3: Cross multiply
    987,063.90x = 1,480,595.85 × 355,977.72
  4. Step 4: Simplify right side
    987,063.90x = 527,059,127,521.48
  5. Step 5: Solve for x
    x = 527,059,127,521.48/987,063.90
  6. Step 6: Final answer
    x = 533,966.57

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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.