Home / 604,444.40-905,629.80-288,220.40

Finding the Fourth Proportional to 604,444.40, 905,629.80 and 288,220.40

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Solution

The fourth proportional to 604,444.40, 905,629.80 and 288,220.40 is: 431,836.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,444.40 : 905,629.80 = 288,220.40 : x
  2. Step 2: Convert to fraction form
    604,444.40/905,629.80 = 288,220.40/x
  3. Step 3: Cross multiply
    604,444.40x = 905,629.80 × 288,220.40
  4. Step 4: Simplify right side
    604,444.40x = 261,020,983,207.92
  5. Step 5: Solve for x
    x = 261,020,983,207.92/604,444.40
  6. Step 6: Final answer
    x = 431,836.22

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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.