Home / 760,894.28-1,140,563.74-495,188.36

Finding the Fourth Proportional to 760,894.28, 1,140,563.74 and 495,188.36

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Solution

The fourth proportional to 760,894.28, 1,140,563.74 and 495,188.36 is: 742,276.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,894.28 : 1,140,563.74 = 495,188.36 : x
  2. Step 2: Convert to fraction form
    760,894.28/1,140,563.74 = 495,188.36/x
  3. Step 3: Cross multiply
    760,894.28x = 1,140,563.74 × 495,188.36
  4. Step 4: Simplify right side
    760,894.28x = 564,793,887,886.07
  5. Step 5: Solve for x
    x = 564,793,887,886.07/760,894.28
  6. Step 6: Final answer
    x = 742,276.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.