Home / 961,449.26-1,326,746.29-525,780.64

Finding the Fourth Proportional to 961,449.26, 1,326,746.29 and 525,780.64

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Solution

The fourth proportional to 961,449.26, 1,326,746.29 and 525,780.64 is: 725,547.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,449.26 : 1,326,746.29 = 525,780.64 : x
  2. Step 2: Convert to fraction form
    961,449.26/1,326,746.29 = 525,780.64/x
  3. Step 3: Cross multiply
    961,449.26x = 1,326,746.29 × 525,780.64
  4. Step 4: Simplify right side
    961,449.26x = 697,577,513,473.83
  5. Step 5: Solve for x
    x = 697,577,513,473.83/961,449.26
  6. Step 6: Final answer
    x = 725,547.92

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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.