Home / 931,279.26-1,285,271.90-517,857.26

Finding the Fourth Proportional to 931,279.26, 1,285,271.90 and 517,857.26

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Solution

The fourth proportional to 931,279.26, 1,285,271.90 and 517,857.26 is: 714,702.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,279.26 : 1,285,271.90 = 517,857.26 : x
  2. Step 2: Convert to fraction form
    931,279.26/1,285,271.90 = 517,857.26/x
  3. Step 3: Cross multiply
    931,279.26x = 1,285,271.90 × 517,857.26
  4. Step 4: Simplify right side
    931,279.26x = 665,587,384,488.99
  5. Step 5: Solve for x
    x = 665,587,384,488.99/931,279.26
  6. Step 6: Final answer
    x = 714,702.25

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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.