Home / 803,085.63-1,108,238.18-458,899.72

Finding the Fourth Proportional to 803,085.63, 1,108,238.18 and 458,899.72

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Solution

The fourth proportional to 803,085.63, 1,108,238.18 and 458,899.72 is: 633,270.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,085.63 : 1,108,238.18 = 458,899.72 : x
  2. Step 2: Convert to fraction form
    803,085.63/1,108,238.18 = 458,899.72/x
  3. Step 3: Cross multiply
    803,085.63x = 1,108,238.18 × 458,899.72
  4. Step 4: Simplify right side
    803,085.63x = 508,570,184,954.12
  5. Step 5: Solve for x
    x = 508,570,184,954.12/803,085.63
  6. Step 6: Final answer
    x = 633,270.19

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.