Home / 910,963.40-1,257,116.37-503,082.50

Finding the Fourth Proportional to 910,963.40, 1,257,116.37 and 503,082.50

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Solution

The fourth proportional to 910,963.40, 1,257,116.37 and 503,082.50 is: 694,246.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,963.40 : 1,257,116.37 = 503,082.50 : x
  2. Step 2: Convert to fraction form
    910,963.40/1,257,116.37 = 503,082.50/x
  3. Step 3: Cross multiply
    910,963.40x = 1,257,116.37 × 503,082.50
  4. Step 4: Simplify right side
    910,963.40x = 632,433,246,210.53
  5. Step 5: Solve for x
    x = 632,433,246,210.53/910,963.40
  6. Step 6: Final answer
    x = 694,246.60

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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.