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Finding the Fourth Proportional to 659,645.08, 910,326.54 and 404,851.48

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Solution

The fourth proportional to 659,645.08, 910,326.54 and 404,851.48 is: 558,705.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,645.08 : 910,326.54 = 404,851.48 : x
  2. Step 2: Convert to fraction form
    659,645.08/910,326.54 = 404,851.48/x
  3. Step 3: Cross multiply
    659,645.08x = 910,326.54 × 404,851.48
  4. Step 4: Simplify right side
    659,645.08x = 368,547,047,002.28
  5. Step 5: Solve for x
    x = 368,547,047,002.28/659,645.08
  6. Step 6: Final answer
    x = 558,705.06

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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.