Home / 907,366.86-1,361,890.89-458,404.02

Finding the Fourth Proportional to 907,366.86, 1,361,890.89 and 458,404.02

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Solution

The fourth proportional to 907,366.86, 1,361,890.89 and 458,404.02 is: 688,030.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,366.86 : 1,361,890.89 = 458,404.02 : x
  2. Step 2: Convert to fraction form
    907,366.86/1,361,890.89 = 458,404.02/x
  3. Step 3: Cross multiply
    907,366.86x = 1,361,890.89 × 458,404.02
  4. Step 4: Simplify right side
    907,366.86x = 624,296,258,777.38
  5. Step 5: Solve for x
    x = 624,296,258,777.38/907,366.86
  6. Step 6: Final answer
    x = 688,030.70

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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.