Home / 909,672.90-1,365,632.55-572,712.90

Finding the Fourth Proportional to 909,672.90, 1,365,632.55 and 572,712.90

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Solution

The fourth proportional to 909,672.90, 1,365,632.55 and 572,712.90 is: 859,776.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,672.90 : 1,365,632.55 = 572,712.90 : x
  2. Step 2: Convert to fraction form
    909,672.90/1,365,632.55 = 572,712.90/x
  3. Step 3: Cross multiply
    909,672.90x = 1,365,632.55 × 572,712.90
  4. Step 4: Simplify right side
    909,672.90x = 782,115,378,044.90
  5. Step 5: Solve for x
    x = 782,115,378,044.90/909,672.90
  6. Step 6: Final answer
    x = 859,776.50

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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.