Home / 918,083.43-1,266,874.47-510,159.42

Finding the Fourth Proportional to 918,083.43, 1,266,874.47 and 510,159.42

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Solution

The fourth proportional to 918,083.43, 1,266,874.47 and 510,159.42 is: 703,975.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,083.43 : 1,266,874.47 = 510,159.42 : x
  2. Step 2: Convert to fraction form
    918,083.43/1,266,874.47 = 510,159.42/x
  3. Step 3: Cross multiply
    918,083.43x = 1,266,874.47 × 510,159.42
  4. Step 4: Simplify right side
    918,083.43x = 646,307,944,828.01
  5. Step 5: Solve for x
    x = 646,307,944,828.01/918,083.43
  6. Step 6: Final answer
    x = 703,975.18

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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.