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Finding the Fourth Proportional to 528,062.70, 792,094.05 and 470,001.90

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Solution

The fourth proportional to 528,062.70, 792,094.05 and 470,001.90 is: 705,002.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,062.70 : 792,094.05 = 470,001.90 : x
  2. Step 2: Convert to fraction form
    528,062.70/792,094.05 = 470,001.90/x
  3. Step 3: Cross multiply
    528,062.70x = 792,094.05 × 470,001.90
  4. Step 4: Simplify right side
    528,062.70x = 372,285,708,478.70
  5. Step 5: Solve for x
    x = 372,285,708,478.70/528,062.70
  6. Step 6: Final answer
    x = 705,002.85

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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.