Home / 768,866.50-1,061,031.54-424,726.10

Finding the Fourth Proportional to 768,866.50, 1,061,031.54 and 424,726.10

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Solution

The fourth proportional to 768,866.50, 1,061,031.54 and 424,726.10 is: 586,119.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,866.50 : 1,061,031.54 = 424,726.10 : x
  2. Step 2: Convert to fraction form
    768,866.50/1,061,031.54 = 424,726.10/x
  3. Step 3: Cross multiply
    768,866.50x = 1,061,031.54 × 424,726.10
  4. Step 4: Simplify right side
    768,866.50x = 450,647,785,837.56
  5. Step 5: Solve for x
    x = 450,647,785,837.56/768,866.50
  6. Step 6: Final answer
    x = 586,119.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.