Home / 673,213.70-1,009,820.55-460,637.30

Finding the Fourth Proportional to 673,213.70, 1,009,820.55 and 460,637.30

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Solution

The fourth proportional to 673,213.70, 1,009,820.55 and 460,637.30 is: 690,955.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,213.70 : 1,009,820.55 = 460,637.30 : x
  2. Step 2: Convert to fraction form
    673,213.70/1,009,820.55 = 460,637.30/x
  3. Step 3: Cross multiply
    673,213.70x = 1,009,820.55 × 460,637.30
  4. Step 4: Simplify right side
    673,213.70x = 465,161,011,636.52
  5. Step 5: Solve for x
    x = 465,161,011,636.52/673,213.70
  6. Step 6: Final answer
    x = 690,955.95

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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.