Home / 920,365.48-1,270,103.46-517,966.12

Finding the Fourth Proportional to 920,365.48, 1,270,103.46 and 517,966.12

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Solution

The fourth proportional to 920,365.48, 1,270,103.46 and 517,966.12 is: 714,792.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,365.48 : 1,270,103.46 = 517,966.12 : x
  2. Step 2: Convert to fraction form
    920,365.48/1,270,103.46 = 517,966.12/x
  3. Step 3: Cross multiply
    920,365.48x = 1,270,103.46 × 517,966.12
  4. Step 4: Simplify right side
    920,365.48x = 657,870,561,174.78
  5. Step 5: Solve for x
    x = 657,870,561,174.78/920,365.48
  6. Step 6: Final answer
    x = 714,792.74

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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.