Home / 520,028.10-779,984.55-146,088.90

Finding the Fourth Proportional to 520,028.10, 779,984.55 and 146,088.90

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Solution

The fourth proportional to 520,028.10, 779,984.55 and 146,088.90 is: 219,117.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,028.10 : 779,984.55 = 146,088.90 : x
  2. Step 2: Convert to fraction form
    520,028.10/779,984.55 = 146,088.90/x
  3. Step 3: Cross multiply
    520,028.10x = 779,984.55 × 146,088.90
  4. Step 4: Simplify right side
    520,028.10x = 113,947,084,926.50
  5. Step 5: Solve for x
    x = 113,947,084,926.50/520,028.10
  6. Step 6: Final answer
    x = 219,117.17

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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.