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Finding the Fourth Proportional to 880,602.01, 1,320,915.16 and 249,515.21

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Solution

The fourth proportional to 880,602.01, 1,320,915.16 and 249,515.21 is: 374,276.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,602.01 : 1,320,915.16 = 249,515.21 : x
  2. Step 2: Convert to fraction form
    880,602.01/1,320,915.16 = 249,515.21/x
  3. Step 3: Cross multiply
    880,602.01x = 1,320,915.16 × 249,515.21
  4. Step 4: Simplify right side
    880,602.01x = 329,588,423,539.58
  5. Step 5: Solve for x
    x = 329,588,423,539.58/880,602.01
  6. Step 6: Final answer
    x = 374,276.26

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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.