Home / 766,984.10-1,150,465.35-346,259.30

Finding the Fourth Proportional to 766,984.10, 1,150,465.35 and 346,259.30

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Solution

The fourth proportional to 766,984.10, 1,150,465.35 and 346,259.30 is: 519,384.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,984.10 : 1,150,465.35 = 346,259.30 : x
  2. Step 2: Convert to fraction form
    766,984.10/1,150,465.35 = 346,259.30/x
  3. Step 3: Cross multiply
    766,984.10x = 1,150,465.35 × 346,259.30
  4. Step 4: Simplify right side
    766,984.10x = 398,359,326,765.26
  5. Step 5: Solve for x
    x = 398,359,326,765.26/766,984.10
  6. Step 6: Final answer
    x = 519,384.07

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Double scale
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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.