Home / 909,480.69-1,363,008.80-429,835.84

Finding the Fourth Proportional to 909,480.69, 1,363,008.80 and 429,835.84

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Solution

The fourth proportional to 909,480.69, 1,363,008.80 and 429,835.84 is: 644,180.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,480.69 : 1,363,008.80 = 429,835.84 : x
  2. Step 2: Convert to fraction form
    909,480.69/1,363,008.80 = 429,835.84/x
  3. Step 3: Cross multiply
    909,480.69x = 1,363,008.80 × 429,835.84
  4. Step 4: Simplify right side
    909,480.69x = 585,870,030,142.46
  5. Step 5: Solve for x
    x = 585,870,030,142.46/909,480.69
  6. Step 6: Final answer
    x = 644,180.83

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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.