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Finding the Fourth Proportional to 495,626.80, 743,440.20 and 470,038.90

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Solution

The fourth proportional to 495,626.80, 743,440.20 and 470,038.90 is: 705,058.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,626.80 : 743,440.20 = 470,038.90 : x
  2. Step 2: Convert to fraction form
    495,626.80/743,440.20 = 470,038.90/x
  3. Step 3: Cross multiply
    495,626.80x = 743,440.20 × 470,038.90
  4. Step 4: Simplify right side
    495,626.80x = 349,445,813,823.78
  5. Step 5: Solve for x
    x = 349,445,813,823.78/495,626.80
  6. Step 6: Final answer
    x = 705,058.35

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Similar ratio
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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.