Home / 749,588.80-1,123,994.40-276,030.40

Finding the Fourth Proportional to 749,588.80, 1,123,994.40 and 276,030.40

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Solution

The fourth proportional to 749,588.80, 1,123,994.40 and 276,030.40 is: 413,902.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,588.80 : 1,123,994.40 = 276,030.40 : x
  2. Step 2: Convert to fraction form
    749,588.80/1,123,994.40 = 276,030.40/x
  3. Step 3: Cross multiply
    749,588.80x = 1,123,994.40 × 276,030.40
  4. Step 4: Simplify right side
    749,588.80x = 310,256,623,829.76
  5. Step 5: Solve for x
    x = 310,256,623,829.76/749,588.80
  6. Step 6: Final answer
    x = 413,902.43

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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.