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Finding the Fourth Proportional to 611,466, 916,200.14 and 371,653.26

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Solution

The fourth proportional to 611,466, 916,200.14 and 371,653.26 is: 556,872.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,466 : 916,200.14 = 371,653.26 : x
  2. Step 2: Convert to fraction form
    611,466/916,200.14 = 371,653.26/x
  3. Step 3: Cross multiply
    611,466x = 916,200.14 × 371,653.26
  4. Step 4: Simplify right side
    611,466x = 340,508,766,985.19
  5. Step 5: Solve for x
    x = 340,508,766,985.19/611,466
  6. Step 6: Final answer
    x = 556,872.77

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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.