Home / 604,905.40-907,314.36-289,277.56

Finding the Fourth Proportional to 604,905.40, 907,314.36 and 289,277.56

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Solution

The fourth proportional to 604,905.40, 907,314.36 and 289,277.56 is: 433,895.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,905.40 : 907,314.36 = 289,277.56 : x
  2. Step 2: Convert to fraction form
    604,905.40/907,314.36 = 289,277.56/x
  3. Step 3: Cross multiply
    604,905.40x = 907,314.36 × 289,277.56
  4. Step 4: Simplify right side
    604,905.40x = 262,465,684,213.76
  5. Step 5: Solve for x
    x = 262,465,684,213.76/604,905.40
  6. Step 6: Final answer
    x = 433,895.42

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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.