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Finding the Fourth Proportional to 604,703.13, 834,496.58 and 346,574.48

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Solution

The fourth proportional to 604,703.13, 834,496.58 and 346,574.48 is: 478,276.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,703.13 : 834,496.58 = 346,574.48 : x
  2. Step 2: Convert to fraction form
    604,703.13/834,496.58 = 346,574.48/x
  3. Step 3: Cross multiply
    604,703.13x = 834,496.58 × 346,574.48
  4. Step 4: Simplify right side
    604,703.13x = 289,215,212,369.92
  5. Step 5: Solve for x
    x = 289,215,212,369.92/604,703.13
  6. Step 6: Final answer
    x = 478,276.36

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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.