Home / 745,632.60-1,118,635.20-240,241.20

Finding the Fourth Proportional to 745,632.60, 1,118,635.20 and 240,241.20

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Solution

The fourth proportional to 745,632.60, 1,118,635.20 and 240,241.20 is: 360,421.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,632.60 : 1,118,635.20 = 240,241.20 : x
  2. Step 2: Convert to fraction form
    745,632.60/1,118,635.20 = 240,241.20/x
  3. Step 3: Cross multiply
    745,632.60x = 1,118,635.20 × 240,241.20
  4. Step 4: Simplify right side
    745,632.60x = 268,742,262,810.24
  5. Step 5: Solve for x
    x = 268,742,262,810.24/745,632.60
  6. Step 6: Final answer
    x = 360,421.83

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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.