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Finding the Fourth Proportional to 723,649.23, 997,482.47 and 570,437.73

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Solution

The fourth proportional to 723,649.23, 997,482.47 and 570,437.73 is: 786,294.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,649.23 : 997,482.47 = 570,437.73 : x
  2. Step 2: Convert to fraction form
    723,649.23/997,482.47 = 570,437.73/x
  3. Step 3: Cross multiply
    723,649.23x = 997,482.47 × 570,437.73
  4. Step 4: Simplify right side
    723,649.23x = 569,001,633,049.40
  5. Step 5: Solve for x
    x = 569,001,633,049.40/723,649.23
  6. Step 6: Final answer
    x = 786,294.81

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.