Home / 925.03-1,386.35-535.47

Finding the Fourth Proportional to 925.03, 1,386.35 and 535.47

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Solution

The fourth proportional to 925.03, 1,386.35 and 535.47 is: 802.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    925.03 : 1,386.35 = 535.47 : x
  2. Step 2: Convert to fraction form
    925.03/1,386.35 = 535.47/x
  3. Step 3: Cross multiply
    925.03x = 1,386.35 × 535.47
  4. Step 4: Simplify right side
    925.03x = 742,354.97
  5. Step 5: Solve for x
    x = 742,354.97/925.03
  6. Step 6: Final answer
    x = 802.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.