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Finding the Fourth Proportional to 510,746.66, 704,862.40 and 281,303.90

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Solution

The fourth proportional to 510,746.66, 704,862.40 and 281,303.90 is: 388,217.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,746.66 : 704,862.40 = 281,303.90 : x
  2. Step 2: Convert to fraction form
    510,746.66/704,862.40 = 281,303.90/x
  3. Step 3: Cross multiply
    510,746.66x = 704,862.40 × 281,303.90
  4. Step 4: Simplify right side
    510,746.66x = 198,280,537,855.79
  5. Step 5: Solve for x
    x = 198,280,537,855.79/510,746.66
  6. Step 6: Final answer
    x = 388,217.01

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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.