Home / 947,444.80-1,421,944.80-916,340.80

Finding the Fourth Proportional to 947,444.80, 1,421,944.80 and 916,340.80

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Solution

The fourth proportional to 947,444.80, 1,421,944.80 and 916,340.80 is: 1,375,263.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,444.80 : 1,421,944.80 = 916,340.80 : x
  2. Step 2: Convert to fraction form
    947,444.80/1,421,944.80 = 916,340.80/x
  3. Step 3: Cross multiply
    947,444.80x = 1,421,944.80 × 916,340.80
  4. Step 4: Simplify right side
    947,444.80x = 1,302,986,035,587.84
  5. Step 5: Solve for x
    x = 1,302,986,035,587.84/947,444.80
  6. Step 6: Final answer
    x = 1,375,263.27

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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.