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Finding the Fourth Proportional to 473,277.96, 652,792.19 and 320,248.80

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Solution

The fourth proportional to 473,277.96, 652,792.19 and 320,248.80 is: 441,719.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,277.96 : 652,792.19 = 320,248.80 : x
  2. Step 2: Convert to fraction form
    473,277.96/652,792.19 = 320,248.80/x
  3. Step 3: Cross multiply
    473,277.96x = 652,792.19 × 320,248.80
  4. Step 4: Simplify right side
    473,277.96x = 209,055,915,496.87
  5. Step 5: Solve for x
    x = 209,055,915,496.87/473,277.96
  6. Step 6: Final answer
    x = 441,719.10

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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.