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Finding the Fourth Proportional to 651,830.40, 977,745.60 and 473,500.80

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Solution

The fourth proportional to 651,830.40, 977,745.60 and 473,500.80 is: 710,251.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,830.40 : 977,745.60 = 473,500.80 : x
  2. Step 2: Convert to fraction form
    651,830.40/977,745.60 = 473,500.80/x
  3. Step 3: Cross multiply
    651,830.40x = 977,745.60 × 473,500.80
  4. Step 4: Simplify right side
    651,830.40x = 462,963,323,796.48
  5. Step 5: Solve for x
    x = 462,963,323,796.48/651,830.40
  6. Step 6: Final answer
    x = 710,251.20

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Double scale
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Similar ratio
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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.