Home / 877,333.76-1,316,011.44-308,731.84

Finding the Fourth Proportional to 877,333.76, 1,316,011.44 and 308,731.84

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Solution

The fourth proportional to 877,333.76, 1,316,011.44 and 308,731.84 is: 463,101.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,333.76 : 1,316,011.44 = 308,731.84 : x
  2. Step 2: Convert to fraction form
    877,333.76/1,316,011.44 = 308,731.84/x
  3. Step 3: Cross multiply
    877,333.76x = 1,316,011.44 × 308,731.84
  4. Step 4: Simplify right side
    877,333.76x = 406,294,633,332.25
  5. Step 5: Solve for x
    x = 406,294,633,332.25/877,333.76
  6. Step 6: Final answer
    x = 463,101.56

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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.