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Finding the Fourth Proportional to 477,406.99, 658,808.49 and 262,547.04

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Solution

The fourth proportional to 477,406.99, 658,808.49 and 262,547.04 is: 362,307.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,406.99 : 658,808.49 = 262,547.04 : x
  2. Step 2: Convert to fraction form
    477,406.99/658,808.49 = 262,547.04/x
  3. Step 3: Cross multiply
    477,406.99x = 658,808.49 × 262,547.04
  4. Step 4: Simplify right side
    477,406.99x = 172,968,218,976.37
  5. Step 5: Solve for x
    x = 172,968,218,976.37/477,406.99
  6. Step 6: Final answer
    x = 362,307.68

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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.