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Finding the Fourth Proportional to 697,006.08, 961,868.52 and 395,200.08

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Solution

The fourth proportional to 697,006.08, 961,868.52 and 395,200.08 is: 545,376.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,006.08 : 961,868.52 = 395,200.08 : x
  2. Step 2: Convert to fraction form
    697,006.08/961,868.52 = 395,200.08/x
  3. Step 3: Cross multiply
    697,006.08x = 961,868.52 × 395,200.08
  4. Step 4: Simplify right side
    697,006.08x = 380,130,516,053.48
  5. Step 5: Solve for x
    x = 380,130,516,053.48/697,006.08
  6. Step 6: Final answer
    x = 545,376.18

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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.