Home / 559,621.53-770,507.01-508,481.19

Finding the Fourth Proportional to 559,621.53, 770,507.01 and 508,481.19

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Solution

The fourth proportional to 559,621.53, 770,507.01 and 508,481.19 is: 700,095.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,621.53 : 770,507.01 = 508,481.19 : x
  2. Step 2: Convert to fraction form
    559,621.53/770,507.01 = 508,481.19/x
  3. Step 3: Cross multiply
    559,621.53x = 770,507.01 × 508,481.19
  4. Step 4: Simplify right side
    559,621.53x = 391,788,321,348.14
  5. Step 5: Solve for x
    x = 391,788,321,348.14/559,621.53
  6. Step 6: Final answer
    x = 700,095.15

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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.