Home / 909,876.64-1,364,989.92-348,867.40

Finding the Fourth Proportional to 909,876.64, 1,364,989.92 and 348,867.40

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Solution

The fourth proportional to 909,876.64, 1,364,989.92 and 348,867.40 is: 523,368.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,876.64 : 1,364,989.92 = 348,867.40 : x
  2. Step 2: Convert to fraction form
    909,876.64/1,364,989.92 = 348,867.40/x
  3. Step 3: Cross multiply
    909,876.64x = 1,364,989.92 × 348,867.40
  4. Step 4: Simplify right side
    909,876.64x = 476,200,484,416.61
  5. Step 5: Solve for x
    x = 476,200,484,416.61/909,876.64
  6. Step 6: Final answer
    x = 523,368.18

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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.