Home / 979,007.74-1,351,116.18-571,240.96

Finding the Fourth Proportional to 979,007.74, 1,351,116.18 and 571,240.96

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Solution

The fourth proportional to 979,007.74, 1,351,116.18 and 571,240.96 is: 788,362.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,007.74 : 1,351,116.18 = 571,240.96 : x
  2. Step 2: Convert to fraction form
    979,007.74/1,351,116.18 = 571,240.96/x
  3. Step 3: Cross multiply
    979,007.74x = 1,351,116.18 × 571,240.96
  4. Step 4: Simplify right side
    979,007.74x = 771,812,903,734.73
  5. Step 5: Solve for x
    x = 771,812,903,734.73/979,007.74
  6. Step 6: Final answer
    x = 788,362.41

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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.