Home / 707,172.92-975,919.35-384,903.89

Finding the Fourth Proportional to 707,172.92, 975,919.35 and 384,903.89

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Solution

The fourth proportional to 707,172.92, 975,919.35 and 384,903.89 is: 531,178.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,172.92 : 975,919.35 = 384,903.89 : x
  2. Step 2: Convert to fraction form
    707,172.92/975,919.35 = 384,903.89/x
  3. Step 3: Cross multiply
    707,172.92x = 975,919.35 × 384,903.89
  4. Step 4: Simplify right side
    707,172.92x = 375,635,154,141.27
  5. Step 5: Solve for x
    x = 375,635,154,141.27/707,172.92
  6. Step 6: Final answer
    x = 531,178.65

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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.