Home / 769,673.70-1,154,510.55-349,769.70

Finding the Fourth Proportional to 769,673.70, 1,154,510.55 and 349,769.70

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Solution

The fourth proportional to 769,673.70, 1,154,510.55 and 349,769.70 is: 524,654.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,673.70 : 1,154,510.55 = 349,769.70 : x
  2. Step 2: Convert to fraction form
    769,673.70/1,154,510.55 = 349,769.70/x
  3. Step 3: Cross multiply
    769,673.70x = 1,154,510.55 × 349,769.70
  4. Step 4: Simplify right side
    769,673.70x = 403,812,808,720.34
  5. Step 5: Solve for x
    x = 403,812,808,720.34/769,673.70
  6. Step 6: Final answer
    x = 524,654.55

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Double scale
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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.