Home / 803,142.04-1,108,325.67-458,974.03

Finding the Fourth Proportional to 803,142.04, 1,108,325.67 and 458,974.03

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Solution

The fourth proportional to 803,142.04, 1,108,325.67 and 458,974.03 is: 633,378.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,142.04 : 1,108,325.67 = 458,974.03 : x
  2. Step 2: Convert to fraction form
    803,142.04/1,108,325.67 = 458,974.03/x
  3. Step 3: Cross multiply
    803,142.04x = 1,108,325.67 × 458,974.03
  4. Step 4: Simplify right side
    803,142.04x = 508,692,699,312.35
  5. Step 5: Solve for x
    x = 508,692,699,312.35/803,142.04
  6. Step 6: Final answer
    x = 633,378.25

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1.5x scale

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.