Home / 837,280.56-1,155,412.28-474,728.92

Finding the Fourth Proportional to 837,280.56, 1,155,412.28 and 474,728.92

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Solution

The fourth proportional to 837,280.56, 1,155,412.28 and 474,728.92 is: 655,106.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,280.56 : 1,155,412.28 = 474,728.92 : x
  2. Step 2: Convert to fraction form
    837,280.56/1,155,412.28 = 474,728.92/x
  3. Step 3: Cross multiply
    837,280.56x = 1,155,412.28 × 474,728.92
  4. Step 4: Simplify right side
    837,280.56x = 548,507,623,839.14
  5. Step 5: Solve for x
    x = 548,507,623,839.14/837,280.56
  6. Step 6: Final answer
    x = 655,106.13

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1.5x scale

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.