Home / 909,155.88-1,254,782.88-546,945.75

Finding the Fourth Proportional to 909,155.88, 1,254,782.88 and 546,945.75

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Solution

The fourth proportional to 909,155.88, 1,254,782.88 and 546,945.75 is: 754,874.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,155.88 : 1,254,782.88 = 546,945.75 : x
  2. Step 2: Convert to fraction form
    909,155.88/1,254,782.88 = 546,945.75/x
  3. Step 3: Cross multiply
    909,155.88x = 1,254,782.88 × 546,945.75
  4. Step 4: Simplify right side
    909,155.88x = 686,298,163,388.76
  5. Step 5: Solve for x
    x = 686,298,163,388.76/909,155.88
  6. Step 6: Final answer
    x = 754,874.03

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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.