Home / 704,985.28-972,880.92-382,695.58

Finding the Fourth Proportional to 704,985.28, 972,880.92 and 382,695.58

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Solution

The fourth proportional to 704,985.28, 972,880.92 and 382,695.58 is: 528,120.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,985.28 : 972,880.92 = 382,695.58 : x
  2. Step 2: Convert to fraction form
    704,985.28/972,880.92 = 382,695.58/x
  3. Step 3: Cross multiply
    704,985.28x = 972,880.92 × 382,695.58
  4. Step 4: Simplify right side
    704,985.28x = 372,317,227,950.33
  5. Step 5: Solve for x
    x = 372,317,227,950.33/704,985.28
  6. Step 6: Final answer
    x = 528,120.57

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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.