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Finding the Fourth Proportional to 604,055.11, 833,599.35 and 355,707.90

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Solution

The fourth proportional to 604,055.11, 833,599.35 and 355,707.90 is: 490,878.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,055.11 : 833,599.35 = 355,707.90 : x
  2. Step 2: Convert to fraction form
    604,055.11/833,599.35 = 355,707.90/x
  3. Step 3: Cross multiply
    604,055.11x = 833,599.35 × 355,707.90
  4. Step 4: Simplify right side
    604,055.11x = 296,517,869,693.60
  5. Step 5: Solve for x
    x = 296,517,869,693.60/604,055.11
  6. Step 6: Final answer
    x = 490,878.84

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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.