Home / 757,101.60-1,136,636.55-607,510.80

Finding the Fourth Proportional to 757,101.60, 1,136,636.55 and 607,510.80

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Solution

The fourth proportional to 757,101.60, 1,136,636.55 and 607,510.80 is: 912,055.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,101.60 : 1,136,636.55 = 607,510.80 : x
  2. Step 2: Convert to fraction form
    757,101.60/1,136,636.55 = 607,510.80/x
  3. Step 3: Cross multiply
    757,101.60x = 1,136,636.55 × 607,510.80
  4. Step 4: Simplify right side
    757,101.60x = 690,518,979,799.74
  5. Step 5: Solve for x
    x = 690,518,979,799.74/757,101.60
  6. Step 6: Final answer
    x = 912,055.90

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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.