Home / 879,125.28-1,213,200.48-476,717.28

Finding the Fourth Proportional to 879,125.28, 1,213,200.48 and 476,717.28

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Solution

The fourth proportional to 879,125.28, 1,213,200.48 and 476,717.28 is: 657,873.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,125.28 : 1,213,200.48 = 476,717.28 : x
  2. Step 2: Convert to fraction form
    879,125.28/1,213,200.48 = 476,717.28/x
  3. Step 3: Cross multiply
    879,125.28x = 1,213,200.48 × 476,717.28
  4. Step 4: Simplify right side
    879,125.28x = 578,353,632,920.29
  5. Step 5: Solve for x
    x = 578,353,632,920.29/879,125.28
  6. Step 6: Final answer
    x = 657,873.96

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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.