Home / 999,935.50-1,380,090.61-564,485.57

Finding the Fourth Proportional to 999,935.50, 1,380,090.61 and 564,485.57

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Solution

The fourth proportional to 999,935.50, 1,380,090.61 and 564,485.57 is: 779,091.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,935.50 : 1,380,090.61 = 564,485.57 : x
  2. Step 2: Convert to fraction form
    999,935.50/1,380,090.61 = 564,485.57/x
  3. Step 3: Cross multiply
    999,935.50x = 1,380,090.61 × 564,485.57
  4. Step 4: Simplify right side
    999,935.50x = 779,041,236,676.51
  5. Step 5: Solve for x
    x = 779,041,236,676.51/999,935.50
  6. Step 6: Final answer
    x = 779,091.49

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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.