Home / 908,802.46-1,363,480.56-429,398.39

Finding the Fourth Proportional to 908,802.46, 1,363,480.56 and 429,398.39

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Solution

The fourth proportional to 908,802.46, 1,363,480.56 and 429,398.39 is: 644,228.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,802.46 : 1,363,480.56 = 429,398.39 : x
  2. Step 2: Convert to fraction form
    908,802.46/1,363,480.56 = 429,398.39/x
  3. Step 3: Cross multiply
    908,802.46x = 1,363,480.56 × 429,398.39
  4. Step 4: Simplify right side
    908,802.46x = 585,476,360,669.00
  5. Step 5: Solve for x
    x = 585,476,360,669.00/908,802.46
  6. Step 6: Final answer
    x = 644,228.41

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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.