Home / 971,621.12-1,340,829.65-536,056.83

Finding the Fourth Proportional to 971,621.12, 1,340,829.65 and 536,056.83

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Solution

The fourth proportional to 971,621.12, 1,340,829.65 and 536,056.83 is: 739,754.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,621.12 : 1,340,829.65 = 536,056.83 : x
  2. Step 2: Convert to fraction form
    971,621.12/1,340,829.65 = 536,056.83/x
  3. Step 3: Cross multiply
    971,621.12x = 1,340,829.65 × 536,056.83
  4. Step 4: Simplify right side
    971,621.12x = 718,760,889,068.73
  5. Step 5: Solve for x
    x = 718,760,889,068.73/971,621.12
  6. Step 6: Final answer
    x = 739,754.29

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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.