Home / 480,740.11-663,625.63-299,541.57

Finding the Fourth Proportional to 480,740.11, 663,625.63 and 299,541.57

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Solution

The fourth proportional to 480,740.11, 663,625.63 and 299,541.57 is: 413,494.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,740.11 : 663,625.63 = 299,541.57 : x
  2. Step 2: Convert to fraction form
    480,740.11/663,625.63 = 299,541.57/x
  3. Step 3: Cross multiply
    480,740.11x = 663,625.63 × 299,541.57
  4. Step 4: Simplify right side
    480,740.11x = 198,783,459,303.35
  5. Step 5: Solve for x
    x = 198,783,459,303.35/480,740.11
  6. Step 6: Final answer
    x = 413,494.64

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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.