Home / 845,938.16-1,167,427.40-463,981.04

Finding the Fourth Proportional to 845,938.16, 1,167,427.40 and 463,981.04

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Solution

The fourth proportional to 845,938.16, 1,167,427.40 and 463,981.04 is: 640,311.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,938.16 : 1,167,427.40 = 463,981.04 : x
  2. Step 2: Convert to fraction form
    845,938.16/1,167,427.40 = 463,981.04/x
  3. Step 3: Cross multiply
    845,938.16x = 1,167,427.40 × 463,981.04
  4. Step 4: Simplify right side
    845,938.16x = 541,664,179,176.50
  5. Step 5: Solve for x
    x = 541,664,179,176.50/845,938.16
  6. Step 6: Final answer
    x = 640,311.79

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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.