Home / 730,057.40-1,007,468.52-407,772.18

Finding the Fourth Proportional to 730,057.40, 1,007,468.52 and 407,772.18

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Solution

The fourth proportional to 730,057.40, 1,007,468.52 and 407,772.18 is: 562,719.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,057.40 : 1,007,468.52 = 407,772.18 : x
  2. Step 2: Convert to fraction form
    730,057.40/1,007,468.52 = 407,772.18/x
  3. Step 3: Cross multiply
    730,057.40x = 1,007,468.52 × 407,772.18
  4. Step 4: Simplify right side
    730,057.40x = 410,817,634,681.77
  5. Step 5: Solve for x
    x = 410,817,634,681.77/730,057.40
  6. Step 6: Final answer
    x = 562,719.64

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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.