Home / 909,017.95-1,254,448.56-501,110.83

Finding the Fourth Proportional to 909,017.95, 1,254,448.56 and 501,110.83

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Solution

The fourth proportional to 909,017.95, 1,254,448.56 and 501,110.83 is: 691,535.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,017.95 : 1,254,448.56 = 501,110.83 : x
  2. Step 2: Convert to fraction form
    909,017.95/1,254,448.56 = 501,110.83/x
  3. Step 3: Cross multiply
    909,017.95x = 1,254,448.56 × 501,110.83
  4. Step 4: Simplify right side
    909,017.95x = 628,617,759,093.91
  5. Step 5: Solve for x
    x = 628,617,759,093.91/909,017.95
  6. Step 6: Final answer
    x = 691,535.03

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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.