Home / 772,951.90-1,159,427.85-457,246.30

Finding the Fourth Proportional to 772,951.90, 1,159,427.85 and 457,246.30

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Solution

The fourth proportional to 772,951.90, 1,159,427.85 and 457,246.30 is: 685,869.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,951.90 : 1,159,427.85 = 457,246.30 : x
  2. Step 2: Convert to fraction form
    772,951.90/1,159,427.85 = 457,246.30/x
  3. Step 3: Cross multiply
    772,951.90x = 1,159,427.85 × 457,246.30
  4. Step 4: Simplify right side
    772,951.90x = 530,144,094,529.46
  5. Step 5: Solve for x
    x = 530,144,094,529.46/772,951.90
  6. Step 6: Final answer
    x = 685,869.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.