Home / 947,044.40-1,420,501.80-307,338.80

Finding the Fourth Proportional to 947,044.40, 1,420,501.80 and 307,338.80

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Solution

The fourth proportional to 947,044.40, 1,420,501.80 and 307,338.80 is: 460,987.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,044.40 : 1,420,501.80 = 307,338.80 : x
  2. Step 2: Convert to fraction form
    947,044.40/1,420,501.80 = 307,338.80/x
  3. Step 3: Cross multiply
    947,044.40x = 1,420,501.80 × 307,338.80
  4. Step 4: Simplify right side
    947,044.40x = 436,575,318,609.84
  5. Step 5: Solve for x
    x = 436,575,318,609.84/947,044.40
  6. Step 6: Final answer
    x = 460,987.17

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1.5x scale

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.