Home / 765,255.18-1,148,106.92-316,001.64

Finding the Fourth Proportional to 765,255.18, 1,148,106.92 and 316,001.64

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Solution

The fourth proportional to 765,255.18, 1,148,106.92 and 316,001.64 is: 474,095.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,255.18 : 1,148,106.92 = 316,001.64 : x
  2. Step 2: Convert to fraction form
    765,255.18/1,148,106.92 = 316,001.64/x
  3. Step 3: Cross multiply
    765,255.18x = 1,148,106.92 × 316,001.64
  4. Step 4: Simplify right side
    765,255.18x = 362,803,669,615.35
  5. Step 5: Solve for x
    x = 362,803,669,615.35/765,255.18
  6. Step 6: Final answer
    x = 474,095.02

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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.