Home / 865,119.99-1,298,144.74-360,029.19

Finding the Fourth Proportional to 865,119.99, 1,298,144.74 and 360,029.19

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Solution

The fourth proportional to 865,119.99, 1,298,144.74 and 360,029.19 is: 540,237.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,119.99 : 1,298,144.74 = 360,029.19 : x
  2. Step 2: Convert to fraction form
    865,119.99/1,298,144.74 = 360,029.19/x
  3. Step 3: Cross multiply
    865,119.99x = 1,298,144.74 × 360,029.19
  4. Step 4: Simplify right side
    865,119.99x = 467,369,996,899.67
  5. Step 5: Solve for x
    x = 467,369,996,899.67/865,119.99
  6. Step 6: Final answer
    x = 540,237.20

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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.