Home / 755,649.90-1,132,490.70-306,002.70

Finding the Fourth Proportional to 755,649.90, 1,132,490.70 and 306,002.70

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Solution

The fourth proportional to 755,649.90, 1,132,490.70 and 306,002.70 is: 458,605.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,649.90 : 1,132,490.70 = 306,002.70 : x
  2. Step 2: Convert to fraction form
    755,649.90/1,132,490.70 = 306,002.70/x
  3. Step 3: Cross multiply
    755,649.90x = 1,132,490.70 × 306,002.70
  4. Step 4: Simplify right side
    755,649.90x = 346,545,211,924.89
  5. Step 5: Solve for x
    x = 346,545,211,924.89/755,649.90
  6. Step 6: Final answer
    x = 458,605.52

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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.