Home / 909,086.10-1,254,482.55-501,166.86

Finding the Fourth Proportional to 909,086.10, 1,254,482.55 and 501,166.86

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Solution

The fourth proportional to 909,086.10, 1,254,482.55 and 501,166.86 is: 691,579.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,086.10 : 1,254,482.55 = 501,166.86 : x
  2. Step 2: Convert to fraction form
    909,086.10/1,254,482.55 = 501,166.86/x
  3. Step 3: Cross multiply
    909,086.10x = 1,254,482.55 × 501,166.86
  4. Step 4: Simplify right side
    909,086.10x = 628,705,080,508.29
  5. Step 5: Solve for x
    x = 628,705,080,508.29/909,086.10
  6. Step 6: Final answer
    x = 691,579.25

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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.