Home / 896,243.70-1,344,365.55-475,302.90

Finding the Fourth Proportional to 896,243.70, 1,344,365.55 and 475,302.90

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Solution

The fourth proportional to 896,243.70, 1,344,365.55 and 475,302.90 is: 712,954.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,243.70 : 1,344,365.55 = 475,302.90 : x
  2. Step 2: Convert to fraction form
    896,243.70/1,344,365.55 = 475,302.90/x
  3. Step 3: Cross multiply
    896,243.70x = 1,344,365.55 × 475,302.90
  4. Step 4: Simplify right side
    896,243.70x = 638,980,844,575.10
  5. Step 5: Solve for x
    x = 638,980,844,575.10/896,243.70
  6. Step 6: Final answer
    x = 712,954.35

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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.