Home / 559,131.18-771,609.81-304,482.16

Finding the Fourth Proportional to 559,131.18, 771,609.81 and 304,482.16

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Solution

The fourth proportional to 559,131.18, 771,609.81 and 304,482.16 is: 420,190.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,131.18 : 771,609.81 = 304,482.16 : x
  2. Step 2: Convert to fraction form
    559,131.18/771,609.81 = 304,482.16/x
  3. Step 3: Cross multiply
    559,131.18x = 771,609.81 × 304,482.16
  4. Step 4: Simplify right side
    559,131.18x = 234,941,421,625.99
  5. Step 5: Solve for x
    x = 234,941,421,625.99/559,131.18
  6. Step 6: Final answer
    x = 420,190.16

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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.