Home / 540,088.20-808,577.10-330,136.20

Finding the Fourth Proportional to 540,088.20, 808,577.10 and 330,136.20

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Solution

The fourth proportional to 540,088.20, 808,577.10 and 330,136.20 is: 494,253.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,088.20 : 808,577.10 = 330,136.20 : x
  2. Step 2: Convert to fraction form
    540,088.20/808,577.10 = 330,136.20/x
  3. Step 3: Cross multiply
    540,088.20x = 808,577.10 × 330,136.20
  4. Step 4: Simplify right side
    540,088.20x = 266,940,571,201.02
  5. Step 5: Solve for x
    x = 266,940,571,201.02/540,088.20
  6. Step 6: Final answer
    x = 494,253.66

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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.