Home / 753,679.80-1,130,519.70-514,531.35

Finding the Fourth Proportional to 753,679.80, 1,130,519.70 and 514,531.35

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Solution

The fourth proportional to 753,679.80, 1,130,519.70 and 514,531.35 is: 771,797.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,679.80 : 1,130,519.70 = 514,531.35 : x
  2. Step 2: Convert to fraction form
    753,679.80/1,130,519.70 = 514,531.35/x
  3. Step 3: Cross multiply
    753,679.80x = 1,130,519.70 × 514,531.35
  4. Step 4: Simplify right side
    753,679.80x = 581,687,827,442.60
  5. Step 5: Solve for x
    x = 581,687,827,442.60/753,679.80
  6. Step 6: Final answer
    x = 771,797.03

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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.