Home / 876,090.15-1,209,551.71-671,748.32

Finding the Fourth Proportional to 876,090.15, 1,209,551.71 and 671,748.32

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Solution

The fourth proportional to 876,090.15, 1,209,551.71 and 671,748.32 is: 927,432.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,090.15 : 1,209,551.71 = 671,748.32 : x
  2. Step 2: Convert to fraction form
    876,090.15/1,209,551.71 = 671,748.32/x
  3. Step 3: Cross multiply
    876,090.15x = 1,209,551.71 × 671,748.32
  4. Step 4: Simplify right side
    876,090.15x = 812,514,324,777.24
  5. Step 5: Solve for x
    x = 812,514,324,777.24/876,090.15
  6. Step 6: Final answer
    x = 927,432.32

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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.