Home / 665,294.43-997,582.08-209,799.74

Finding the Fourth Proportional to 665,294.43, 997,582.08 and 209,799.74

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Solution

The fourth proportional to 665,294.43, 997,582.08 and 209,799.74 is: 314,586.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,294.43 : 997,582.08 = 209,799.74 : x
  2. Step 2: Convert to fraction form
    665,294.43/997,582.08 = 209,799.74/x
  3. Step 3: Cross multiply
    665,294.43x = 997,582.08 × 209,799.74
  4. Step 4: Simplify right side
    665,294.43x = 209,292,457,501.84
  5. Step 5: Solve for x
    x = 209,292,457,501.84/665,294.43
  6. Step 6: Final answer
    x = 314,586.22

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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.