Home / 920,106.98-1,269,775.86-501,030.55

Finding the Fourth Proportional to 920,106.98, 1,269,775.86 and 501,030.55

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Solution

The fourth proportional to 920,106.98, 1,269,775.86 and 501,030.55 is: 691,437.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,106.98 : 1,269,775.86 = 501,030.55 : x
  2. Step 2: Convert to fraction form
    920,106.98/1,269,775.86 = 501,030.55/x
  3. Step 3: Cross multiply
    920,106.98x = 1,269,775.86 × 501,030.55
  4. Step 4: Simplify right side
    920,106.98x = 636,196,497,512.52
  5. Step 5: Solve for x
    x = 636,196,497,512.52/920,106.98
  6. Step 6: Final answer
    x = 691,437.53

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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.