Home / 526,330.48-726,292.20-296,875.12

Finding the Fourth Proportional to 526,330.48, 726,292.20 and 296,875.12

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Solution

The fourth proportional to 526,330.48, 726,292.20 and 296,875.12 is: 409,662.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,330.48 : 726,292.20 = 296,875.12 : x
  2. Step 2: Convert to fraction form
    526,330.48/726,292.20 = 296,875.12/x
  3. Step 3: Cross multiply
    526,330.48x = 726,292.20 × 296,875.12
  4. Step 4: Simplify right side
    526,330.48x = 215,618,084,030.06
  5. Step 5: Solve for x
    x = 215,618,084,030.06/526,330.48
  6. Step 6: Final answer
    x = 409,662.93

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1.5x scale

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.