Home / 909,622.40-1,365,556.80-572,662.40

Finding the Fourth Proportional to 909,622.40, 1,365,556.80 and 572,662.40

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Solution

The fourth proportional to 909,622.40, 1,365,556.80 and 572,662.40 is: 859,700.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,622.40 : 1,365,556.80 = 572,662.40 : x
  2. Step 2: Convert to fraction form
    909,622.40/1,365,556.80 = 572,662.40/x
  3. Step 3: Cross multiply
    909,622.40x = 1,365,556.80 × 572,662.40
  4. Step 4: Simplify right side
    909,622.40x = 782,003,034,424.32
  5. Step 5: Solve for x
    x = 782,003,034,424.32/909,622.40
  6. Step 6: Final answer
    x = 859,700.72

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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.