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Finding the Fourth Proportional to 456,001.40, 684,002.10 and 446,670.20

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Solution

The fourth proportional to 456,001.40, 684,002.10 and 446,670.20 is: 670,005.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,001.40 : 684,002.10 = 446,670.20 : x
  2. Step 2: Convert to fraction form
    456,001.40/684,002.10 = 446,670.20/x
  3. Step 3: Cross multiply
    456,001.40x = 684,002.10 × 446,670.20
  4. Step 4: Simplify right side
    456,001.40x = 305,523,354,807.42
  5. Step 5: Solve for x
    x = 305,523,354,807.42/456,001.40
  6. Step 6: Final answer
    x = 670,005.30

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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.