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Finding the Fourth Proportional to 702,345.25, 969,239.02 and 380,055.35

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Solution

The fourth proportional to 702,345.25, 969,239.02 and 380,055.35 is: 524,477.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,345.25 : 969,239.02 = 380,055.35 : x
  2. Step 2: Convert to fraction form
    702,345.25/969,239.02 = 380,055.35/x
  3. Step 3: Cross multiply
    702,345.25x = 969,239.02 × 380,055.35
  4. Step 4: Simplify right side
    702,345.25x = 368,364,473,079.48
  5. Step 5: Solve for x
    x = 368,364,473,079.48/702,345.25
  6. Step 6: Final answer
    x = 524,477.77

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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.