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Finding the Fourth Proportional to 607,513.80, 911,270.70 and 495,320.70

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Solution

The fourth proportional to 607,513.80, 911,270.70 and 495,320.70 is: 742,981.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,513.80 : 911,270.70 = 495,320.70 : x
  2. Step 2: Convert to fraction form
    607,513.80/911,270.70 = 495,320.70/x
  3. Step 3: Cross multiply
    607,513.80x = 911,270.70 × 495,320.70
  4. Step 4: Simplify right side
    607,513.80x = 451,371,241,013.49
  5. Step 5: Solve for x
    x = 451,371,241,013.49/607,513.80
  6. Step 6: Final answer
    x = 742,981.05

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1.5x scale

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.