Home / 742,359.54-1,024,458.98-402,827.79

Finding the Fourth Proportional to 742,359.54, 1,024,458.98 and 402,827.79

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Solution

The fourth proportional to 742,359.54, 1,024,458.98 and 402,827.79 is: 555,903.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,359.54 : 1,024,458.98 = 402,827.79 : x
  2. Step 2: Convert to fraction form
    742,359.54/1,024,458.98 = 402,827.79/x
  3. Step 3: Cross multiply
    742,359.54x = 1,024,458.98 × 402,827.79
  4. Step 4: Simplify right side
    742,359.54x = 412,680,544,844.92
  5. Step 5: Solve for x
    x = 412,680,544,844.92/742,359.54
  6. Step 6: Final answer
    x = 555,903.87

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1.5x scale

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.