Home / 753,605.40-1,130,408.10-552,838.80

Finding the Fourth Proportional to 753,605.40, 1,130,408.10 and 552,838.80

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Solution

The fourth proportional to 753,605.40, 1,130,408.10 and 552,838.80 is: 829,258.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,605.40 : 1,130,408.10 = 552,838.80 : x
  2. Step 2: Convert to fraction form
    753,605.40/1,130,408.10 = 552,838.80/x
  3. Step 3: Cross multiply
    753,605.40x = 1,130,408.10 × 552,838.80
  4. Step 4: Simplify right side
    753,605.40x = 624,933,457,514.28
  5. Step 5: Solve for x
    x = 624,933,457,514.28/753,605.40
  6. Step 6: Final answer
    x = 829,258.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.