Home / 679,750.48-1,019,029.56-258,746.32

Finding the Fourth Proportional to 679,750.48, 1,019,029.56 and 258,746.32

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Solution

The fourth proportional to 679,750.48, 1,019,029.56 and 258,746.32 is: 387,892.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,750.48 : 1,019,029.56 = 258,746.32 : x
  2. Step 2: Convert to fraction form
    679,750.48/1,019,029.56 = 258,746.32/x
  3. Step 3: Cross multiply
    679,750.48x = 1,019,029.56 × 258,746.32
  4. Step 4: Simplify right side
    679,750.48x = 263,670,148,621.22
  5. Step 5: Solve for x
    x = 263,670,148,621.22/679,750.48
  6. Step 6: Final answer
    x = 387,892.55

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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.