Home / 754,328.70-1,131,493.05-435,464.10

Finding the Fourth Proportional to 754,328.70, 1,131,493.05 and 435,464.10

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Solution

The fourth proportional to 754,328.70, 1,131,493.05 and 435,464.10 is: 653,196.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,328.70 : 1,131,493.05 = 435,464.10 : x
  2. Step 2: Convert to fraction form
    754,328.70/1,131,493.05 = 435,464.10/x
  3. Step 3: Cross multiply
    754,328.70x = 1,131,493.05 × 435,464.10
  4. Step 4: Simplify right side
    754,328.70x = 492,724,602,674.51
  5. Step 5: Solve for x
    x = 492,724,602,674.51/754,328.70
  6. Step 6: Final answer
    x = 653,196.15

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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.