Home / 925,718.60-1,387,666.99-540,979.13

Finding the Fourth Proportional to 925,718.60, 1,387,666.99 and 540,979.13

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Solution

The fourth proportional to 925,718.60, 1,387,666.99 and 540,979.13 is: 810,936.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,718.60 : 1,387,666.99 = 540,979.13 : x
  2. Step 2: Convert to fraction form
    925,718.60/1,387,666.99 = 540,979.13/x
  3. Step 3: Cross multiply
    925,718.60x = 1,387,666.99 × 540,979.13
  4. Step 4: Simplify right side
    925,718.60x = 750,698,881,222.47
  5. Step 5: Solve for x
    x = 750,698,881,222.47/925,718.60
  6. Step 6: Final answer
    x = 810,936.37

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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.