Home / 745,820.25-1,118,730.51-247,184.25

Finding the Fourth Proportional to 745,820.25, 1,118,730.51 and 247,184.25

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Solution

The fourth proportional to 745,820.25, 1,118,730.51 and 247,184.25 is: 370,776.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,820.25 : 1,118,730.51 = 247,184.25 : x
  2. Step 2: Convert to fraction form
    745,820.25/1,118,730.51 = 247,184.25/x
  3. Step 3: Cross multiply
    745,820.25x = 1,118,730.51 × 247,184.25
  4. Step 4: Simplify right side
    745,820.25x = 276,532,562,066.47
  5. Step 5: Solve for x
    x = 276,532,562,066.47/745,820.25
  6. Step 6: Final answer
    x = 370,776.42

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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.