Home / 861,746.68-1,292,036.82-300,475

Finding the Fourth Proportional to 861,746.68, 1,292,036.82 and 300,475

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Solution

The fourth proportional to 861,746.68, 1,292,036.82 and 300,475 is: 450,509.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,746.68 : 1,292,036.82 = 300,475 : x
  2. Step 2: Convert to fraction form
    861,746.68/1,292,036.82 = 300,475/x
  3. Step 3: Cross multiply
    861,746.68x = 1,292,036.82 × 300,475
  4. Step 4: Simplify right side
    861,746.68x = 388,224,763,489.50
  5. Step 5: Solve for x
    x = 388,224,763,489.50/861,746.68
  6. Step 6: Final answer
    x = 450,509.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.