Home / 742,366.69-1,024,468.76-402,834.94

Finding the Fourth Proportional to 742,366.69, 1,024,468.76 and 402,834.94

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Solution

The fourth proportional to 742,366.69, 1,024,468.76 and 402,834.94 is: 555,913.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,366.69 : 1,024,468.76 = 402,834.94 : x
  2. Step 2: Convert to fraction form
    742,366.69/1,024,468.76 = 402,834.94/x
  3. Step 3: Cross multiply
    742,366.69x = 1,024,468.76 × 402,834.94
  4. Step 4: Simplify right side
    742,366.69x = 412,691,809,912.39
  5. Step 5: Solve for x
    x = 412,691,809,912.39/742,366.69
  6. Step 6: Final answer
    x = 555,913.70

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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.