Home / 510,875.96-704,979.06-375,478.52

Finding the Fourth Proportional to 510,875.96, 704,979.06 and 375,478.52

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Solution

The fourth proportional to 510,875.96, 704,979.06 and 375,478.52 is: 518,138.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,875.96 : 704,979.06 = 375,478.52 : x
  2. Step 2: Convert to fraction form
    510,875.96/704,979.06 = 375,478.52/x
  3. Step 3: Cross multiply
    510,875.96x = 704,979.06 × 375,478.52
  4. Step 4: Simplify right side
    510,875.96x = 264,704,494,079.79
  5. Step 5: Solve for x
    x = 264,704,494,079.79/510,875.96
  6. Step 6: Final answer
    x = 518,138.48

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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.