Home / 999,364.86-1,379,119.59-540,480.02

Finding the Fourth Proportional to 999,364.86, 1,379,119.59 and 540,480.02

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Solution

The fourth proportional to 999,364.86, 1,379,119.59 and 540,480.02 is: 745,860.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,364.86 : 1,379,119.59 = 540,480.02 : x
  2. Step 2: Convert to fraction form
    999,364.86/1,379,119.59 = 540,480.02/x
  3. Step 3: Cross multiply
    999,364.86x = 1,379,119.59 × 540,480.02
  4. Step 4: Simplify right side
    999,364.86x = 745,386,576,689.99
  5. Step 5: Solve for x
    x = 745,386,576,689.99/999,364.86
  6. Step 6: Final answer
    x = 745,860.30

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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.