Home / 909,009.40-1,363,514.10-769,041.40

Finding the Fourth Proportional to 909,009.40, 1,363,514.10 and 769,041.40

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Solution

The fourth proportional to 909,009.40, 1,363,514.10 and 769,041.40 is: 1,153,562.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,009.40 : 1,363,514.10 = 769,041.40 : x
  2. Step 2: Convert to fraction form
    909,009.40/1,363,514.10 = 769,041.40/x
  3. Step 3: Cross multiply
    909,009.40x = 1,363,514.10 × 769,041.40
  4. Step 4: Simplify right side
    909,009.40x = 1,048,598,792,383.74
  5. Step 5: Solve for x
    x = 1,048,598,792,383.74/909,009.40
  6. Step 6: Final answer
    x = 1,153,562.10

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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.