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Finding the Fourth Proportional to 540,377.16, 745,813.08 and 314,153.88

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Solution

The fourth proportional to 540,377.16, 745,813.08 and 314,153.88 is: 433,586.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,377.16 : 745,813.08 = 314,153.88 : x
  2. Step 2: Convert to fraction form
    540,377.16/745,813.08 = 314,153.88/x
  3. Step 3: Cross multiply
    540,377.16x = 745,813.08 × 314,153.88
  4. Step 4: Simplify right side
    540,377.16x = 234,300,072,836.75
  5. Step 5: Solve for x
    x = 234,300,072,836.75/540,377.16
  6. Step 6: Final answer
    x = 433,586.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.