Home / 969,442.50-1,337,484.35-561,321.57

Finding the Fourth Proportional to 969,442.50, 1,337,484.35 and 561,321.57

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Solution

The fourth proportional to 969,442.50, 1,337,484.35 and 561,321.57 is: 774,423.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,442.50 : 1,337,484.35 = 561,321.57 : x
  2. Step 2: Convert to fraction form
    969,442.50/1,337,484.35 = 561,321.57/x
  3. Step 3: Cross multiply
    969,442.50x = 1,337,484.35 × 561,321.57
  4. Step 4: Simplify right side
    969,442.50x = 750,758,812,385.82
  5. Step 5: Solve for x
    x = 750,758,812,385.82/969,442.50
  6. Step 6: Final answer
    x = 774,423.25

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Double scale
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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.