Home / 861,747.68-1,292,038.32-300,476

Finding the Fourth Proportional to 861,747.68, 1,292,038.32 and 300,476

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Solution

The fourth proportional to 861,747.68, 1,292,038.32 and 300,476 is: 450,510.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,747.68 : 1,292,038.32 = 300,476 : x
  2. Step 2: Convert to fraction form
    861,747.68/1,292,038.32 = 300,476/x
  3. Step 3: Cross multiply
    861,747.68x = 1,292,038.32 × 300,476
  4. Step 4: Simplify right side
    861,747.68x = 388,226,506,240.32
  5. Step 5: Solve for x
    x = 388,226,506,240.32/861,747.68
  6. Step 6: Final answer
    x = 450,510.65

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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.