Home / 497,688.04-746,312.46-142,621.48

Finding the Fourth Proportional to 497,688.04, 746,312.46 and 142,621.48

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Solution

The fourth proportional to 497,688.04, 746,312.46 and 142,621.48 is: 213,869.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,688.04 : 746,312.46 = 142,621.48 : x
  2. Step 2: Convert to fraction form
    497,688.04/746,312.46 = 142,621.48/x
  3. Step 3: Cross multiply
    497,688.04x = 746,312.46 × 142,621.48
  4. Step 4: Simplify right side
    497,688.04x = 106,440,187,587.64
  5. Step 5: Solve for x
    x = 106,440,187,587.64/497,688.04
  6. Step 6: Final answer
    x = 213,869.29

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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.