Home / 876,147.93-1,209,631.50-671,806.31

Finding the Fourth Proportional to 876,147.93, 1,209,631.50 and 671,806.31

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Solution

The fourth proportional to 876,147.93, 1,209,631.50 and 671,806.31 is: 927,512.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,147.93 : 1,209,631.50 = 671,806.31 : x
  2. Step 2: Convert to fraction form
    876,147.93/1,209,631.50 = 671,806.31/x
  3. Step 3: Cross multiply
    876,147.93x = 1,209,631.50 × 671,806.31
  4. Step 4: Simplify right side
    876,147.93x = 812,638,068,426.61
  5. Step 5: Solve for x
    x = 812,638,068,426.61/876,147.93
  6. Step 6: Final answer
    x = 927,512.40

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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.