Home / 690,100.05-1,035,592.62-334,920.45

Finding the Fourth Proportional to 690,100.05, 1,035,592.62 and 334,920.45

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Solution

The fourth proportional to 690,100.05, 1,035,592.62 and 334,920.45 is: 502,595.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,100.05 : 1,035,592.62 = 334,920.45 : x
  2. Step 2: Convert to fraction form
    690,100.05/1,035,592.62 = 334,920.45/x
  3. Step 3: Cross multiply
    690,100.05x = 1,035,592.62 × 334,920.45
  4. Step 4: Simplify right side
    690,100.05x = 346,841,146,307.08
  5. Step 5: Solve for x
    x = 346,841,146,307.08/690,100.05
  6. Step 6: Final answer
    x = 502,595.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.