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Finding the Fourth Proportional to 579,602.70, 869,404.05 and 501,842.70

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Solution

The fourth proportional to 579,602.70, 869,404.05 and 501,842.70 is: 752,764.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,602.70 : 869,404.05 = 501,842.70 : x
  2. Step 2: Convert to fraction form
    579,602.70/869,404.05 = 501,842.70/x
  3. Step 3: Cross multiply
    579,602.70x = 869,404.05 × 501,842.70
  4. Step 4: Simplify right side
    579,602.70x = 436,304,075,842.94
  5. Step 5: Solve for x
    x = 436,304,075,842.94/579,602.70
  6. Step 6: Final answer
    x = 752,764.05

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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.