Home / 875,028.32-1,207,539.89-472,620.32

Finding the Fourth Proportional to 875,028.32, 1,207,539.89 and 472,620.32

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Solution

The fourth proportional to 875,028.32, 1,207,539.89 and 472,620.32 is: 652,216.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,028.32 : 1,207,539.89 = 472,620.32 : x
  2. Step 2: Convert to fraction form
    875,028.32/1,207,539.89 = 472,620.32/x
  3. Step 3: Cross multiply
    875,028.32x = 1,207,539.89 × 472,620.32
  4. Step 4: Simplify right side
    875,028.32x = 570,707,880,823.76
  5. Step 5: Solve for x
    x = 570,707,880,823.76/875,028.32
  6. Step 6: Final answer
    x = 652,216.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.