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Finding the Fourth Proportional to 559,051.20, 838,576.80 and 510,062.40

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Solution

The fourth proportional to 559,051.20, 838,576.80 and 510,062.40 is: 765,093.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,051.20 : 838,576.80 = 510,062.40 : x
  2. Step 2: Convert to fraction form
    559,051.20/838,576.80 = 510,062.40/x
  3. Step 3: Cross multiply
    559,051.20x = 838,576.80 × 510,062.40
  4. Step 4: Simplify right side
    559,051.20x = 427,726,495,192.32
  5. Step 5: Solve for x
    x = 427,726,495,192.32/559,051.20
  6. Step 6: Final answer
    x = 765,093.60

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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.