Home / 666,730.03-920,089.75-360,806.33

Finding the Fourth Proportional to 666,730.03, 920,089.75 and 360,806.33

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Solution

The fourth proportional to 666,730.03, 920,089.75 and 360,806.33 is: 497,913.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,730.03 : 920,089.75 = 360,806.33 : x
  2. Step 2: Convert to fraction form
    666,730.03/920,089.75 = 360,806.33/x
  3. Step 3: Cross multiply
    666,730.03x = 920,089.75 × 360,806.33
  4. Step 4: Simplify right side
    666,730.03x = 331,974,204,569.91
  5. Step 5: Solve for x
    x = 331,974,204,569.91/666,730.03
  6. Step 6: Final answer
    x = 497,913.98

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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.