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Finding the Fourth Proportional to 604,575.40, 834,321.06 and 346,447.24

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Solution

The fourth proportional to 604,575.40, 834,321.06 and 346,447.24 is: 478,101.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,575.40 : 834,321.06 = 346,447.24 : x
  2. Step 2: Convert to fraction form
    604,575.40/834,321.06 = 346,447.24/x
  3. Step 3: Cross multiply
    604,575.40x = 834,321.06 × 346,447.24
  4. Step 4: Simplify right side
    604,575.40x = 289,048,228,510.87
  5. Step 5: Solve for x
    x = 289,048,228,510.87/604,575.40
  6. Step 6: Final answer
    x = 478,101.21

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1.5x scale

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.