Home / 487,435.32-730,628.10-465,087.96

Finding the Fourth Proportional to 487,435.32, 730,628.10 and 465,087.96

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Solution

The fourth proportional to 487,435.32, 730,628.10 and 465,087.96 is: 697,131.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,435.32 : 730,628.10 = 465,087.96 : x
  2. Step 2: Convert to fraction form
    487,435.32/730,628.10 = 465,087.96/x
  3. Step 3: Cross multiply
    487,435.32x = 730,628.10 × 465,087.96
  4. Step 4: Simplify right side
    487,435.32x = 339,806,332,547.68
  5. Step 5: Solve for x
    x = 339,806,332,547.68/487,435.32
  6. Step 6: Final answer
    x = 697,131.12

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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.