Home / 1,038,916.80-1,558,423.80-329,000.40

Finding the Fourth Proportional to 1,038,916.80, 1,558,423.80 and 329,000.40

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Solution

The fourth proportional to 1,038,916.80, 1,558,423.80 and 329,000.40 is: 493,515.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,916.80 : 1,558,423.80 = 329,000.40 : x
  2. Step 2: Convert to fraction form
    1,038,916.80/1,558,423.80 = 329,000.40/x
  3. Step 3: Cross multiply
    1,038,916.80x = 1,558,423.80 × 329,000.40
  4. Step 4: Simplify right side
    1,038,916.80x = 512,722,053,569.52
  5. Step 5: Solve for x
    x = 512,722,053,569.52/1,038,916.80
  6. Step 6: Final answer
    x = 493,515.99

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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.