Home / 788,708.16-1,087,142.13-616,326.54

Finding the Fourth Proportional to 788,708.16, 1,087,142.13 and 616,326.54

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Solution

The fourth proportional to 788,708.16, 1,087,142.13 and 616,326.54 is: 849,534.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,708.16 : 1,087,142.13 = 616,326.54 : x
  2. Step 2: Convert to fraction form
    788,708.16/1,087,142.13 = 616,326.54/x
  3. Step 3: Cross multiply
    788,708.16x = 1,087,142.13 × 616,326.54
  4. Step 4: Simplify right side
    788,708.16x = 670,034,547,471.13
  5. Step 5: Solve for x
    x = 670,034,547,471.13/788,708.16
  6. Step 6: Final answer
    x = 849,534.19

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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.