Home / 909,047.93-1,254,495.80-501,164.36

Finding the Fourth Proportional to 909,047.93, 1,254,495.80 and 501,164.36

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Solution

The fourth proportional to 909,047.93, 1,254,495.80 and 501,164.36 is: 691,612.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,047.93 : 1,254,495.80 = 501,164.36 : x
  2. Step 2: Convert to fraction form
    909,047.93/1,254,495.80 = 501,164.36/x
  3. Step 3: Cross multiply
    909,047.93x = 1,254,495.80 × 501,164.36
  4. Step 4: Simplify right side
    909,047.93x = 628,708,585,360.11
  5. Step 5: Solve for x
    x = 628,708,585,360.11/909,047.93
  6. Step 6: Final answer
    x = 691,612.15

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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.