Home / 712,786.62-1,069,339.50-239,459.06

Finding the Fourth Proportional to 712,786.62, 1,069,339.50 and 239,459.06

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Solution

The fourth proportional to 712,786.62, 1,069,339.50 and 239,459.06 is: 359,242.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,786.62 : 1,069,339.50 = 239,459.06 : x
  2. Step 2: Convert to fraction form
    712,786.62/1,069,339.50 = 239,459.06/x
  3. Step 3: Cross multiply
    712,786.62x = 1,069,339.50 × 239,459.06
  4. Step 4: Simplify right side
    712,786.62x = 256,063,031,490.87
  5. Step 5: Solve for x
    x = 256,063,031,490.87/712,786.62
  6. Step 6: Final answer
    x = 359,242.20

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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.