Home / 644,643.16-966,047.92-474,828.08

Finding the Fourth Proportional to 644,643.16, 966,047.92 and 474,828.08

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Solution

The fourth proportional to 644,643.16, 966,047.92 and 474,828.08 is: 711,566.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,643.16 : 966,047.92 = 474,828.08 : x
  2. Step 2: Convert to fraction form
    644,643.16/966,047.92 = 474,828.08/x
  3. Step 3: Cross multiply
    644,643.16x = 966,047.92 × 474,828.08
  4. Step 4: Simplify right side
    644,643.16x = 458,706,673,024.28
  5. Step 5: Solve for x
    x = 458,706,673,024.28/644,643.16
  6. Step 6: Final answer
    x = 711,566.81

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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.