Home / 920,132.80-1,269,752.16-517,647.04

Finding the Fourth Proportional to 920,132.80, 1,269,752.16 and 517,647.04

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Solution

The fourth proportional to 920,132.80, 1,269,752.16 and 517,647.04 is: 714,335.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,132.80 : 1,269,752.16 = 517,647.04 : x
  2. Step 2: Convert to fraction form
    920,132.80/1,269,752.16 = 517,647.04/x
  3. Step 3: Cross multiply
    920,132.80x = 1,269,752.16 × 517,647.04
  4. Step 4: Simplify right side
    920,132.80x = 657,283,447,157.61
  5. Step 5: Solve for x
    x = 657,283,447,157.61/920,132.80
  6. Step 6: Final answer
    x = 714,335.42

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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.