Home / 757,103.10-1,136,638.80-607,512.30

Finding the Fourth Proportional to 757,103.10, 1,136,638.80 and 607,512.30

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Solution

The fourth proportional to 757,103.10, 1,136,638.80 and 607,512.30 is: 912,058.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,103.10 : 1,136,638.80 = 607,512.30 : x
  2. Step 2: Convert to fraction form
    757,103.10/1,136,638.80 = 607,512.30/x
  3. Step 3: Cross multiply
    757,103.10x = 1,136,638.80 × 607,512.30
  4. Step 4: Simplify right side
    757,103.10x = 690,522,051,657.24
  5. Step 5: Solve for x
    x = 690,522,051,657.24/757,103.10
  6. Step 6: Final answer
    x = 912,058.15

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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.