Home / 659,402.16-989,075.88-304,298.16

Finding the Fourth Proportional to 659,402.16, 989,075.88 and 304,298.16

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Solution

The fourth proportional to 659,402.16, 989,075.88 and 304,298.16 is: 456,434.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,402.16 : 989,075.88 = 304,298.16 : x
  2. Step 2: Convert to fraction form
    659,402.16/989,075.88 = 304,298.16/x
  3. Step 3: Cross multiply
    659,402.16x = 989,075.88 × 304,298.16
  4. Step 4: Simplify right side
    659,402.16x = 300,973,970,384.38
  5. Step 5: Solve for x
    x = 300,973,970,384.38/659,402.16
  6. Step 6: Final answer
    x = 456,434.61

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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.