Home / 764,107.20-1,144,848.60-497,730.60

Finding the Fourth Proportional to 764,107.20, 1,144,848.60 and 497,730.60

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Solution

The fourth proportional to 764,107.20, 1,144,848.60 and 497,730.60 is: 745,741.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,107.20 : 1,144,848.60 = 497,730.60 : x
  2. Step 2: Convert to fraction form
    764,107.20/1,144,848.60 = 497,730.60/x
  3. Step 3: Cross multiply
    764,107.20x = 1,144,848.60 × 497,730.60
  4. Step 4: Simplify right side
    764,107.20x = 569,826,180,587.16
  5. Step 5: Solve for x
    x = 569,826,180,587.16/764,107.20
  6. Step 6: Final answer
    x = 745,741.15

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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.