Home / 830,573.28-1,146,201.84-491,038.56

Finding the Fourth Proportional to 830,573.28, 1,146,201.84 and 491,038.56

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Solution

The fourth proportional to 830,573.28, 1,146,201.84 and 491,038.56 is: 677,639.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,573.28 : 1,146,201.84 = 491,038.56 : x
  2. Step 2: Convert to fraction form
    830,573.28/1,146,201.84 = 491,038.56/x
  3. Step 3: Cross multiply
    830,573.28x = 1,146,201.84 × 491,038.56
  4. Step 4: Simplify right side
    830,573.28x = 562,829,300,982.95
  5. Step 5: Solve for x
    x = 562,829,300,982.95/830,573.28
  6. Step 6: Final answer
    x = 677,639.55

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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.