Home / 776,498.40-1,164,272.40-302,637.60

Finding the Fourth Proportional to 776,498.40, 1,164,272.40 and 302,637.60

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Solution

The fourth proportional to 776,498.40, 1,164,272.40 and 302,637.60 is: 453,771.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,498.40 : 1,164,272.40 = 302,637.60 : x
  2. Step 2: Convert to fraction form
    776,498.40/1,164,272.40 = 302,637.60/x
  3. Step 3: Cross multiply
    776,498.40x = 1,164,272.40 × 302,637.60
  4. Step 4: Simplify right side
    776,498.40x = 352,352,604,882.24
  5. Step 5: Solve for x
    x = 352,352,604,882.24/776,498.40
  6. Step 6: Final answer
    x = 453,771.19

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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.