Home / 992,065.86-1,369,043.37-539,360.10

Finding the Fourth Proportional to 992,065.86, 1,369,043.37 and 539,360.10

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Solution

The fourth proportional to 992,065.86, 1,369,043.37 and 539,360.10 is: 744,312.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,065.86 : 1,369,043.37 = 539,360.10 : x
  2. Step 2: Convert to fraction form
    992,065.86/1,369,043.37 = 539,360.10/x
  3. Step 3: Cross multiply
    992,065.86x = 1,369,043.37 × 539,360.10
  4. Step 4: Simplify right side
    992,065.86x = 738,407,368,947.54
  5. Step 5: Solve for x
    x = 738,407,368,947.54/992,065.86
  6. Step 6: Final answer
    x = 744,312.85

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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.