Home / 682,312.31-1,023,454.48-303,130.25

Finding the Fourth Proportional to 682,312.31, 1,023,454.48 and 303,130.25

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Solution

The fourth proportional to 682,312.31, 1,023,454.48 and 303,130.25 is: 454,689.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,312.31 : 1,023,454.48 = 303,130.25 : x
  2. Step 2: Convert to fraction form
    682,312.31/1,023,454.48 = 303,130.25/x
  3. Step 3: Cross multiply
    682,312.31x = 1,023,454.48 × 303,130.25
  4. Step 4: Simplify right side
    682,312.31x = 310,240,012,386.02
  5. Step 5: Solve for x
    x = 310,240,012,386.02/682,312.31
  6. Step 6: Final answer
    x = 454,689.16

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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.