Home / 688,231.02-949,862.28-495,277.50

Finding the Fourth Proportional to 688,231.02, 949,862.28 and 495,277.50

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Solution

The fourth proportional to 688,231.02, 949,862.28 and 495,277.50 is: 683,557.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,231.02 : 949,862.28 = 495,277.50 : x
  2. Step 2: Convert to fraction form
    688,231.02/949,862.28 = 495,277.50/x
  3. Step 3: Cross multiply
    688,231.02x = 949,862.28 × 495,277.50
  4. Step 4: Simplify right side
    688,231.02x = 470,445,415,382.70
  5. Step 5: Solve for x
    x = 470,445,415,382.70/688,231.02
  6. Step 6: Final answer
    x = 683,557.41

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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.