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Finding the Fourth Proportional to 553,670.70, 830,506.05 and 473,954.55

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Solution

The fourth proportional to 553,670.70, 830,506.05 and 473,954.55 is: 710,931.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,670.70 : 830,506.05 = 473,954.55 : x
  2. Step 2: Convert to fraction form
    553,670.70/830,506.05 = 473,954.55/x
  3. Step 3: Cross multiply
    553,670.70x = 830,506.05 × 473,954.55
  4. Step 4: Simplify right side
    553,670.70x = 393,622,121,200.03
  5. Step 5: Solve for x
    x = 393,622,121,200.03/553,670.70
  6. Step 6: Final answer
    x = 710,931.83

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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.