Home / 749,912.80-1,124,966.40-371,027.20

Finding the Fourth Proportional to 749,912.80, 1,124,966.40 and 371,027.20

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Solution

The fourth proportional to 749,912.80, 1,124,966.40 and 371,027.20 is: 556,588.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,912.80 : 1,124,966.40 = 371,027.20 : x
  2. Step 2: Convert to fraction form
    749,912.80/1,124,966.40 = 371,027.20/x
  3. Step 3: Cross multiply
    749,912.80x = 1,124,966.40 × 371,027.20
  4. Step 4: Simplify right side
    749,912.80x = 417,393,133,486.08
  5. Step 5: Solve for x
    x = 417,393,133,486.08/749,912.80
  6. Step 6: Final answer
    x = 556,588.89

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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.