Home / 916,710.26-1,265,041.13-508,788.18

Finding the Fourth Proportional to 916,710.26, 1,265,041.13 and 508,788.18

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Solution

The fourth proportional to 916,710.26, 1,265,041.13 and 508,788.18 is: 702,117.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,710.26 : 1,265,041.13 = 508,788.18 : x
  2. Step 2: Convert to fraction form
    916,710.26/1,265,041.13 = 508,788.18/x
  3. Step 3: Cross multiply
    916,710.26x = 1,265,041.13 × 508,788.18
  4. Step 4: Simplify right side
    916,710.26x = 643,637,971,613.90
  5. Step 5: Solve for x
    x = 643,637,971,613.90/916,710.26
  6. Step 6: Final answer
    x = 702,117.13

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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.