Home / 917,672.30-1,266,590.16-509,914.24

Finding the Fourth Proportional to 917,672.30, 1,266,590.16 and 509,914.24

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Solution

The fourth proportional to 917,672.30, 1,266,590.16 and 509,914.24 is: 703,794.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,672.30 : 1,266,590.16 = 509,914.24 : x
  2. Step 2: Convert to fraction form
    917,672.30/1,266,590.16 = 509,914.24/x
  3. Step 3: Cross multiply
    917,672.30x = 1,266,590.16 × 509,914.24
  4. Step 4: Simplify right side
    917,672.30x = 645,852,358,827.88
  5. Step 5: Solve for x
    x = 645,852,358,827.88/917,672.30
  6. Step 6: Final answer
    x = 703,794.11

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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.