Home / 520,118.49-780,240.27-183,089.15

Finding the Fourth Proportional to 520,118.49, 780,240.27 and 183,089.15

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Solution

The fourth proportional to 520,118.49, 780,240.27 and 183,089.15 is: 274,655.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,118.49 : 780,240.27 = 183,089.15 : x
  2. Step 2: Convert to fraction form
    520,118.49/780,240.27 = 183,089.15/x
  3. Step 3: Cross multiply
    520,118.49x = 780,240.27 × 183,089.15
  4. Step 4: Simplify right side
    520,118.49x = 142,853,525,929.20
  5. Step 5: Solve for x
    x = 142,853,525,929.20/520,118.49
  6. Step 6: Final answer
    x = 274,655.73

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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.