Home / 314,541.48-469,531.71-291,126.90

Finding the Fourth Proportional to 314,541.48, 469,531.71 and 291,126.90

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Solution

The fourth proportional to 314,541.48, 469,531.71 and 291,126.90 is: 434,579.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,541.48 : 469,531.71 = 291,126.90 : x
  2. Step 2: Convert to fraction form
    314,541.48/469,531.71 = 291,126.90/x
  3. Step 3: Cross multiply
    314,541.48x = 469,531.71 × 291,126.90
  4. Step 4: Simplify right side
    314,541.48x = 136,693,311,184.00
  5. Step 5: Solve for x
    x = 136,693,311,184.00/314,541.48
  6. Step 6: Final answer
    x = 434,579.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.