Home / 924,726.81-1,387,090.23-259,878.81

Finding the Fourth Proportional to 924,726.81, 1,387,090.23 and 259,878.81

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Solution

The fourth proportional to 924,726.81, 1,387,090.23 and 259,878.81 is: 389,818.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,726.81 : 1,387,090.23 = 259,878.81 : x
  2. Step 2: Convert to fraction form
    924,726.81/1,387,090.23 = 259,878.81/x
  3. Step 3: Cross multiply
    924,726.81x = 1,387,090.23 × 259,878.81
  4. Step 4: Simplify right side
    924,726.81x = 360,475,358,335.03
  5. Step 5: Solve for x
    x = 360,475,358,335.03/924,726.81
  6. Step 6: Final answer
    x = 389,818.22

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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.