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Finding the Fourth Proportional to 544,064.30, 762,312.10 and 544,064.30

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Solution

The fourth proportional to 544,064.30, 762,312.10 and 544,064.30 is: 762,312.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,064.30 : 762,312.10 = 544,064.30 : x
  2. Step 2: Convert to fraction form
    544,064.30/762,312.10 = 544,064.30/x
  3. Step 3: Cross multiply
    544,064.30x = 762,312.10 × 544,064.30
  4. Step 4: Simplify right side
    544,064.30x = 414,746,799,068.03
  5. Step 5: Solve for x
    x = 414,746,799,068.03/544,064.30
  6. Step 6: Final answer
    x = 762,312.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.