Home / 832,457.04-1,248,179.90-326,411.74

Finding the Fourth Proportional to 832,457.04, 1,248,179.90 and 326,411.74

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Solution

The fourth proportional to 832,457.04, 1,248,179.90 and 326,411.74 is: 489,419.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,457.04 : 1,248,179.90 = 326,411.74 : x
  2. Step 2: Convert to fraction form
    832,457.04/1,248,179.90 = 326,411.74/x
  3. Step 3: Cross multiply
    832,457.04x = 1,248,179.90 × 326,411.74
  4. Step 4: Simplify right side
    832,457.04x = 407,420,566,751.13
  5. Step 5: Solve for x
    x = 407,420,566,751.13/832,457.04
  6. Step 6: Final answer
    x = 489,419.33

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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.