Home / 770,503.86-1,063,237.59-430,906.50

Finding the Fourth Proportional to 770,503.86, 1,063,237.59 and 430,906.50

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Solution

The fourth proportional to 770,503.86, 1,063,237.59 and 430,906.50 is: 594,618.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,503.86 : 1,063,237.59 = 430,906.50 : x
  2. Step 2: Convert to fraction form
    770,503.86/1,063,237.59 = 430,906.50/x
  3. Step 3: Cross multiply
    770,503.86x = 1,063,237.59 × 430,906.50
  4. Step 4: Simplify right side
    770,503.86x = 458,155,988,575.34
  5. Step 5: Solve for x
    x = 458,155,988,575.34/770,503.86
  6. Step 6: Final answer
    x = 594,618.68

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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.