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Finding the Fourth Proportional to 573,044.80, 859,567.20 and 293,108.80

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Solution

The fourth proportional to 573,044.80, 859,567.20 and 293,108.80 is: 439,663.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,044.80 : 859,567.20 = 293,108.80 : x
  2. Step 2: Convert to fraction form
    573,044.80/859,567.20 = 293,108.80/x
  3. Step 3: Cross multiply
    573,044.80x = 859,567.20 × 293,108.80
  4. Step 4: Simplify right side
    573,044.80x = 251,946,710,511.36
  5. Step 5: Solve for x
    x = 251,946,710,511.36/573,044.80
  6. Step 6: Final answer
    x = 439,663.20

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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.