Home / 908,720.64-1,254,035.52-526,969.26

Finding the Fourth Proportional to 908,720.64, 1,254,035.52 and 526,969.26

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Solution

The fourth proportional to 908,720.64, 1,254,035.52 and 526,969.26 is: 727,218.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,720.64 : 1,254,035.52 = 526,969.26 : x
  2. Step 2: Convert to fraction form
    908,720.64/1,254,035.52 = 526,969.26/x
  3. Step 3: Cross multiply
    908,720.64x = 1,254,035.52 × 526,969.26
  4. Step 4: Simplify right side
    908,720.64x = 660,838,169,988.12
  5. Step 5: Solve for x
    x = 660,838,169,988.12/908,720.64
  6. Step 6: Final answer
    x = 727,218.18

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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.