Home / 876,353.02-1,209,360.32-473,945.02

Finding the Fourth Proportional to 876,353.02, 1,209,360.32 and 473,945.02

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Solution

The fourth proportional to 876,353.02, 1,209,360.32 and 473,945.02 is: 654,040.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,353.02 : 1,209,360.32 = 473,945.02 : x
  2. Step 2: Convert to fraction form
    876,353.02/1,209,360.32 = 473,945.02/x
  3. Step 3: Cross multiply
    876,353.02x = 1,209,360.32 × 473,945.02
  4. Step 4: Simplify right side
    876,353.02x = 573,170,298,679.88
  5. Step 5: Solve for x
    x = 573,170,298,679.88/876,353.02
  6. Step 6: Final answer
    x = 654,040.42

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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.