Home / 971,730.87-1,340,979.72-536,152.23

Finding the Fourth Proportional to 971,730.87, 1,340,979.72 and 536,152.23

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Solution

The fourth proportional to 971,730.87, 1,340,979.72 and 536,152.23 is: 739,885.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,730.87 : 1,340,979.72 = 536,152.23 : x
  2. Step 2: Convert to fraction form
    971,730.87/1,340,979.72 = 536,152.23/x
  3. Step 3: Cross multiply
    971,730.87x = 1,340,979.72 × 536,152.23
  4. Step 4: Simplify right side
    971,730.87x = 718,969,274,349.11
  5. Step 5: Solve for x
    x = 718,969,274,349.11/971,730.87
  6. Step 6: Final answer
    x = 739,885.18

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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.