Home / 917,708.04-1,266,394.02-509,836.20

Finding the Fourth Proportional to 917,708.04, 1,266,394.02 and 509,836.20

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Solution

The fourth proportional to 917,708.04, 1,266,394.02 and 509,836.20 is: 703,550.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,708.04 : 1,266,394.02 = 509,836.20 : x
  2. Step 2: Convert to fraction form
    917,708.04/1,266,394.02 = 509,836.20/x
  3. Step 3: Cross multiply
    917,708.04x = 1,266,394.02 × 509,836.20
  4. Step 4: Simplify right side
    917,708.04x = 645,653,514,859.52
  5. Step 5: Solve for x
    x = 645,653,514,859.52/917,708.04
  6. Step 6: Final answer
    x = 703,550.03

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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.