Home / 828,618.40-1,242,927.60-473,668.30

Finding the Fourth Proportional to 828,618.40, 1,242,927.60 and 473,668.30

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Solution

The fourth proportional to 828,618.40, 1,242,927.60 and 473,668.30 is: 710,502.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,618.40 : 1,242,927.60 = 473,668.30 : x
  2. Step 2: Convert to fraction form
    828,618.40/1,242,927.60 = 473,668.30/x
  3. Step 3: Cross multiply
    828,618.40x = 1,242,927.60 × 473,668.30
  4. Step 4: Simplify right side
    828,618.40x = 588,735,403,315.08
  5. Step 5: Solve for x
    x = 588,735,403,315.08/828,618.40
  6. Step 6: Final answer
    x = 710,502.45

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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.