Home / 924,256.40-1,386,384.60-259,408.40

Finding the Fourth Proportional to 924,256.40, 1,386,384.60 and 259,408.40

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Solution

The fourth proportional to 924,256.40, 1,386,384.60 and 259,408.40 is: 389,112.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,256.40 : 1,386,384.60 = 259,408.40 : x
  2. Step 2: Convert to fraction form
    924,256.40/1,386,384.60 = 259,408.40/x
  3. Step 3: Cross multiply
    924,256.40x = 1,386,384.60 × 259,408.40
  4. Step 4: Simplify right side
    924,256.40x = 359,639,810,870.64
  5. Step 5: Solve for x
    x = 359,639,810,870.64/924,256.40
  6. Step 6: Final answer
    x = 389,112.60

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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.