Home / 975,487.20-1,462,246.65-443,390.10

Finding the Fourth Proportional to 975,487.20, 1,462,246.65 and 443,390.10

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Solution

The fourth proportional to 975,487.20, 1,462,246.65 and 443,390.10 is: 664,637.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,487.20 : 1,462,246.65 = 443,390.10 : x
  2. Step 2: Convert to fraction form
    975,487.20/1,462,246.65 = 443,390.10/x
  3. Step 3: Cross multiply
    975,487.20x = 1,462,246.65 × 443,390.10
  4. Step 4: Simplify right side
    975,487.20x = 648,345,688,368.17
  5. Step 5: Solve for x
    x = 648,345,688,368.17/975,487.20
  6. Step 6: Final answer
    x = 664,637.82

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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.