Home / 700,701.29-966,967.75-378,411.36

Finding the Fourth Proportional to 700,701.29, 966,967.75 and 378,411.36

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Solution

The fourth proportional to 700,701.29, 966,967.75 and 378,411.36 is: 522,207.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,701.29 : 966,967.75 = 378,411.36 : x
  2. Step 2: Convert to fraction form
    700,701.29/966,967.75 = 378,411.36/x
  3. Step 3: Cross multiply
    700,701.29x = 966,967.75 × 378,411.36
  4. Step 4: Simplify right side
    700,701.29x = 365,911,581,353.64
  5. Step 5: Solve for x
    x = 365,911,581,353.64/700,701.29
  6. Step 6: Final answer
    x = 522,207.66

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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.