Home / 890,983.62-1,337,139.69-358,509.18

Finding the Fourth Proportional to 890,983.62, 1,337,139.69 and 358,509.18

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Solution

The fourth proportional to 890,983.62, 1,337,139.69 and 358,509.18 is: 538,031.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,983.62 : 1,337,139.69 = 358,509.18 : x
  2. Step 2: Convert to fraction form
    890,983.62/1,337,139.69 = 358,509.18/x
  3. Step 3: Cross multiply
    890,983.62x = 1,337,139.69 × 358,509.18
  4. Step 4: Simplify right side
    890,983.62x = 479,376,853,807.35
  5. Step 5: Solve for x
    x = 479,376,853,807.35/890,983.62
  6. Step 6: Final answer
    x = 538,031.05

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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.