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Finding the Fourth Proportional to 604,040.80, 833,526.66 and 355,643.26

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Solution

The fourth proportional to 604,040.80, 833,526.66 and 355,643.26 is: 490,758.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,040.80 : 833,526.66 = 355,643.26 : x
  2. Step 2: Convert to fraction form
    604,040.80/833,526.66 = 355,643.26/x
  3. Step 3: Cross multiply
    604,040.80x = 833,526.66 × 355,643.26
  4. Step 4: Simplify right side
    604,040.80x = 296,438,138,659.31
  5. Step 5: Solve for x
    x = 296,438,138,659.31/604,040.80
  6. Step 6: Final answer
    x = 490,758.47

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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.