Home / 917,582-1,266,263.16-515,182.64

Finding the Fourth Proportional to 917,582, 1,266,263.16 and 515,182.64

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Solution

The fourth proportional to 917,582, 1,266,263.16 and 515,182.64 is: 710,952.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,582 : 1,266,263.16 = 515,182.64 : x
  2. Step 2: Convert to fraction form
    917,582/1,266,263.16 = 515,182.64/x
  3. Step 3: Cross multiply
    917,582x = 1,266,263.16 × 515,182.64
  4. Step 4: Simplify right side
    917,582x = 652,356,797,703.54
  5. Step 5: Solve for x
    x = 652,356,797,703.54/917,582
  6. Step 6: Final answer
    x = 710,952.04

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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.