Home / 803,201.95-1,108,427.16-440,626.51

Finding the Fourth Proportional to 803,201.95, 1,108,427.16 and 440,626.51

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Solution

The fourth proportional to 803,201.95, 1,108,427.16 and 440,626.51 is: 608,069.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,201.95 : 1,108,427.16 = 440,626.51 : x
  2. Step 2: Convert to fraction form
    803,201.95/1,108,427.16 = 440,626.51/x
  3. Step 3: Cross multiply
    803,201.95x = 1,108,427.16 × 440,626.51
  4. Step 4: Simplify right side
    803,201.95x = 488,402,391,100.01
  5. Step 5: Solve for x
    x = 488,402,391,100.01/803,201.95
  6. Step 6: Final answer
    x = 608,069.23

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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.