Home / 756,501.30-1,136,064.15-402,207.30

Finding the Fourth Proportional to 756,501.30, 1,136,064.15 and 402,207.30

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Solution

The fourth proportional to 756,501.30, 1,136,064.15 and 402,207.30 is: 604,008.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,501.30 : 1,136,064.15 = 402,207.30 : x
  2. Step 2: Convert to fraction form
    756,501.30/1,136,064.15 = 402,207.30/x
  3. Step 3: Cross multiply
    756,501.30x = 1,136,064.15 × 402,207.30
  4. Step 4: Simplify right side
    756,501.30x = 456,933,294,398.30
  5. Step 5: Solve for x
    x = 456,933,294,398.30/756,501.30
  6. Step 6: Final answer
    x = 604,008.60

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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.