Home / 739,038.90-1,108,594.80-384,744.90

Finding the Fourth Proportional to 739,038.90, 1,108,594.80 and 384,744.90

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Solution

The fourth proportional to 739,038.90, 1,108,594.80 and 384,744.90 is: 577,136.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,038.90 : 1,108,594.80 = 384,744.90 : x
  2. Step 2: Convert to fraction form
    739,038.90/1,108,594.80 = 384,744.90/x
  3. Step 3: Cross multiply
    739,038.90x = 1,108,594.80 × 384,744.90
  4. Step 4: Simplify right side
    739,038.90x = 426,526,195,466.52
  5. Step 5: Solve for x
    x = 426,526,195,466.52/739,038.90
  6. Step 6: Final answer
    x = 577,136.33

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Double scale
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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.