Home / 915,261.02-1,262,980.81-522,792.17

Finding the Fourth Proportional to 915,261.02, 1,262,980.81 and 522,792.17

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Solution

The fourth proportional to 915,261.02, 1,262,980.81 and 522,792.17 is: 721,407.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,261.02 : 1,262,980.81 = 522,792.17 : x
  2. Step 2: Convert to fraction form
    915,261.02/1,262,980.81 = 522,792.17/x
  3. Step 3: Cross multiply
    915,261.02x = 1,262,980.81 × 522,792.17
  4. Step 4: Simplify right side
    915,261.02x = 660,276,481,566.58
  5. Step 5: Solve for x
    x = 660,276,481,566.58/915,261.02
  6. Step 6: Final answer
    x = 721,407.85

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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.