Home / 890,988.64-1,337,147.20-358,514.16

Finding the Fourth Proportional to 890,988.64, 1,337,147.20 and 358,514.16

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Solution

The fourth proportional to 890,988.64, 1,337,147.20 and 358,514.16 is: 538,038.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,988.64 : 1,337,147.20 = 358,514.16 : x
  2. Step 2: Convert to fraction form
    890,988.64/1,337,147.20 = 358,514.16/x
  3. Step 3: Cross multiply
    890,988.64x = 1,337,147.20 × 358,514.16
  4. Step 4: Simplify right side
    890,988.64x = 479,386,205,204.35
  5. Step 5: Solve for x
    x = 479,386,205,204.35/890,988.64
  6. Step 6: Final answer
    x = 538,038.52

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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.