Home / 729,931.76-1,007,159.73-407,592.26

Finding the Fourth Proportional to 729,931.76, 1,007,159.73 and 407,592.26

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Solution

The fourth proportional to 729,931.76, 1,007,159.73 and 407,592.26 is: 562,395.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,931.76 : 1,007,159.73 = 407,592.26 : x
  2. Step 2: Convert to fraction form
    729,931.76/1,007,159.73 = 407,592.26/x
  3. Step 3: Cross multiply
    729,931.76x = 1,007,159.73 × 407,592.26
  4. Step 4: Simplify right side
    729,931.76x = 410,510,510,531.69
  5. Step 5: Solve for x
    x = 410,510,510,531.69/729,931.76
  6. Step 6: Final answer
    x = 562,395.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.