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Finding the Fourth Proportional to 464,799.60, 697,199.40 and 433,306.80

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Solution

The fourth proportional to 464,799.60, 697,199.40 and 433,306.80 is: 649,960.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,799.60 : 697,199.40 = 433,306.80 : x
  2. Step 2: Convert to fraction form
    464,799.60/697,199.40 = 433,306.80/x
  3. Step 3: Cross multiply
    464,799.60x = 697,199.40 × 433,306.80
  4. Step 4: Simplify right side
    464,799.60x = 302,101,240,975.92
  5. Step 5: Solve for x
    x = 302,101,240,975.92/464,799.60
  6. Step 6: Final answer
    x = 649,960.20

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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.