Home / 977,268.61-1,348,685.81-547,687.14

Finding the Fourth Proportional to 977,268.61, 1,348,685.81 and 547,687.14

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Solution

The fourth proportional to 977,268.61, 1,348,685.81 and 547,687.14 is: 755,839.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,268.61 : 1,348,685.81 = 547,687.14 : x
  2. Step 2: Convert to fraction form
    977,268.61/1,348,685.81 = 547,687.14/x
  3. Step 3: Cross multiply
    977,268.61x = 1,348,685.81 × 547,687.14
  4. Step 4: Simplify right side
    977,268.61x = 738,657,874,037.48
  5. Step 5: Solve for x
    x = 738,657,874,037.48/977,268.61
  6. Step 6: Final answer
    x = 755,839.15

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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.