Home / 961,331.40-1,326,641.40-525,757.32

Finding the Fourth Proportional to 961,331.40, 1,326,641.40 and 525,757.32

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Solution

The fourth proportional to 961,331.40, 1,326,641.40 and 525,757.32 is: 725,547.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,331.40 : 1,326,641.40 = 525,757.32 : x
  2. Step 2: Convert to fraction form
    961,331.40/1,326,641.40 = 525,757.32/x
  3. Step 3: Cross multiply
    961,331.40x = 1,326,641.40 × 525,757.32
  4. Step 4: Simplify right side
    961,331.40x = 697,491,427,065.05
  5. Step 5: Solve for x
    x = 697,491,427,065.05/961,331.40
  6. Step 6: Final answer
    x = 725,547.33

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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.