Home / 997,477.76-1,376,528.14-567,785.56

Finding the Fourth Proportional to 997,477.76, 1,376,528.14 and 567,785.56

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Solution

The fourth proportional to 997,477.76, 1,376,528.14 and 567,785.56 is: 783,549.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,477.76 : 1,376,528.14 = 567,785.56 : x
  2. Step 2: Convert to fraction form
    997,477.76/1,376,528.14 = 567,785.56/x
  3. Step 3: Cross multiply
    997,477.76x = 1,376,528.14 × 567,785.56
  4. Step 4: Simplify right side
    997,477.76x = 781,572,800,825.66
  5. Step 5: Solve for x
    x = 781,572,800,825.66/997,477.76
  6. Step 6: Final answer
    x = 783,549.10

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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.