Home / 819,273.62-1,130,134.52-512,818.04

Finding the Fourth Proportional to 819,273.62, 1,130,134.52 and 512,818.04

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Solution

The fourth proportional to 819,273.62, 1,130,134.52 and 512,818.04 is: 707,399.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,273.62 : 1,130,134.52 = 512,818.04 : x
  2. Step 2: Convert to fraction form
    819,273.62/1,130,134.52 = 512,818.04/x
  3. Step 3: Cross multiply
    819,273.62x = 1,130,134.52 × 512,818.04
  4. Step 4: Simplify right side
    819,273.62x = 579,553,369,482.74
  5. Step 5: Solve for x
    x = 579,553,369,482.74/819,273.62
  6. Step 6: Final answer
    x = 707,399.04

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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.