Home / 346,570.03-477,955.77-288,618.62

Finding the Fourth Proportional to 346,570.03, 477,955.77 and 288,618.62

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Solution

The fourth proportional to 346,570.03, 477,955.77 and 288,618.62 is: 398,034.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,570.03 : 477,955.77 = 288,618.62 : x
  2. Step 2: Convert to fraction form
    346,570.03/477,955.77 = 288,618.62/x
  3. Step 3: Cross multiply
    346,570.03x = 477,955.77 × 288,618.62
  4. Step 4: Simplify right side
    346,570.03x = 137,946,934,758.44
  5. Step 5: Solve for x
    x = 137,946,934,758.44/346,570.03
  6. Step 6: Final answer
    x = 398,034.81

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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.