Home / 947,444.80-1,421,973.60-386,881.60

Finding the Fourth Proportional to 947,444.80, 1,421,973.60 and 386,881.60

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Solution

The fourth proportional to 947,444.80, 1,421,973.60 and 386,881.60 is: 580,651.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,444.80 : 1,421,973.60 = 386,881.60 : x
  2. Step 2: Convert to fraction form
    947,444.80/1,421,973.60 = 386,881.60/x
  3. Step 3: Cross multiply
    947,444.80x = 1,421,973.60 × 386,881.60
  4. Step 4: Simplify right side
    947,444.80x = 550,135,421,525.76
  5. Step 5: Solve for x
    x = 550,135,421,525.76/947,444.80
  6. Step 6: Final answer
    x = 580,651.69

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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.