Home / 919,062.70-1,378,594.05-446,670.70

Finding the Fourth Proportional to 919,062.70, 1,378,594.05 and 446,670.70

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Solution

The fourth proportional to 919,062.70, 1,378,594.05 and 446,670.70 is: 670,006.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,062.70 : 1,378,594.05 = 446,670.70 : x
  2. Step 2: Convert to fraction form
    919,062.70/1,378,594.05 = 446,670.70/x
  3. Step 3: Cross multiply
    919,062.70x = 1,378,594.05 × 446,670.70
  4. Step 4: Simplify right side
    919,062.70x = 615,777,569,329.34
  5. Step 5: Solve for x
    x = 615,777,569,329.34/919,062.70
  6. Step 6: Final answer
    x = 670,006.05

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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.