Home / 664,001.65-916,208.01-373,572.86

Finding the Fourth Proportional to 664,001.65, 916,208.01 and 373,572.86

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Solution

The fourth proportional to 664,001.65, 916,208.01 and 373,572.86 is: 515,466.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,001.65 : 916,208.01 = 373,572.86 : x
  2. Step 2: Convert to fraction form
    664,001.65/916,208.01 = 373,572.86/x
  3. Step 3: Cross multiply
    664,001.65x = 916,208.01 × 373,572.86
  4. Step 4: Simplify right side
    664,001.65x = 342,270,447,223.24
  5. Step 5: Solve for x
    x = 342,270,447,223.24/664,001.65
  6. Step 6: Final answer
    x = 515,466.26

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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.