Home / 903,744.32-1,355,153.16-477,509.36

Finding the Fourth Proportional to 903,744.32, 1,355,153.16 and 477,509.36

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Solution

The fourth proportional to 903,744.32, 1,355,153.16 and 477,509.36 is: 716,019.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,744.32 : 1,355,153.16 = 477,509.36 : x
  2. Step 2: Convert to fraction form
    903,744.32/1,355,153.16 = 477,509.36/x
  3. Step 3: Cross multiply
    903,744.32x = 1,355,153.16 × 477,509.36
  4. Step 4: Simplify right side
    903,744.32x = 647,098,318,133.58
  5. Step 5: Solve for x
    x = 647,098,318,133.58/903,744.32
  6. Step 6: Final answer
    x = 716,019.24

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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.