Home / 909,845.86-1,255,610.02-561,063.10

Finding the Fourth Proportional to 909,845.86, 1,255,610.02 and 561,063.10

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Solution

The fourth proportional to 909,845.86, 1,255,610.02 and 561,063.10 is: 774,281.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,845.86 : 1,255,610.02 = 561,063.10 : x
  2. Step 2: Convert to fraction form
    909,845.86/1,255,610.02 = 561,063.10/x
  3. Step 3: Cross multiply
    909,845.86x = 1,255,610.02 × 561,063.10
  4. Step 4: Simplify right side
    909,845.86x = 704,476,443,934.21
  5. Step 5: Solve for x
    x = 704,476,443,934.21/909,845.86
  6. Step 6: Final answer
    x = 774,281.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.