Home / 480,746.13-663,633.90-299,547.57

Finding the Fourth Proportional to 480,746.13, 663,633.90 and 299,547.57

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Solution

The fourth proportional to 480,746.13, 663,633.90 and 299,547.57 is: 413,502.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,746.13 : 663,633.90 = 299,547.57 : x
  2. Step 2: Convert to fraction form
    480,746.13/663,633.90 = 299,547.57/x
  3. Step 3: Cross multiply
    480,746.13x = 663,633.90 × 299,547.57
  4. Step 4: Simplify right side
    480,746.13x = 198,789,922,114.62
  5. Step 5: Solve for x
    x = 198,789,922,114.62/480,746.13
  6. Step 6: Final answer
    x = 413,502.91

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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.