Home / 704,623.66-972,632.81-418,143.74

Finding the Fourth Proportional to 704,623.66, 972,632.81 and 418,143.74

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Solution

The fourth proportional to 704,623.66, 972,632.81 and 418,143.74 is: 577,188.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,623.66 : 972,632.81 = 418,143.74 : x
  2. Step 2: Convert to fraction form
    704,623.66/972,632.81 = 418,143.74/x
  3. Step 3: Cross multiply
    704,623.66x = 972,632.81 × 418,143.74
  4. Step 4: Simplify right side
    704,623.66x = 406,700,317,002.31
  5. Step 5: Solve for x
    x = 406,700,317,002.31/704,623.66
  6. Step 6: Final answer
    x = 577,188.00

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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.