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Finding the Fourth Proportional to 579,802.20, 869,703.30 and 579,802.20

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Solution

The fourth proportional to 579,802.20, 869,703.30 and 579,802.20 is: 869,703.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,802.20 : 869,703.30 = 579,802.20 : x
  2. Step 2: Convert to fraction form
    579,802.20/869,703.30 = 579,802.20/x
  3. Step 3: Cross multiply
    579,802.20x = 869,703.30 × 579,802.20
  4. Step 4: Simplify right side
    579,802.20x = 504,255,886,687.26
  5. Step 5: Solve for x
    x = 504,255,886,687.26/579,802.20
  6. Step 6: Final answer
    x = 869,703.30

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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.