Home / 604,919.40-907,335.36-289,291.56

Finding the Fourth Proportional to 604,919.40, 907,335.36 and 289,291.56

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Solution

The fourth proportional to 604,919.40, 907,335.36 and 289,291.56 is: 433,916.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,919.40 : 907,335.36 = 289,291.56 : x
  2. Step 2: Convert to fraction form
    604,919.40/907,335.36 = 289,291.56/x
  3. Step 3: Cross multiply
    604,919.40x = 907,335.36 × 289,291.56
  4. Step 4: Simplify right side
    604,919.40x = 262,484,461,737.56
  5. Step 5: Solve for x
    x = 262,484,461,737.56/604,919.40
  6. Step 6: Final answer
    x = 433,916.42

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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.