Home / 771,783.87-1,158,070.88-367,433.49

Finding the Fourth Proportional to 771,783.87, 1,158,070.88 and 367,433.49

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Solution

The fourth proportional to 771,783.87, 1,158,070.88 and 367,433.49 is: 551,338.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,783.87 : 1,158,070.88 = 367,433.49 : x
  2. Step 2: Convert to fraction form
    771,783.87/1,158,070.88 = 367,433.49/x
  3. Step 3: Cross multiply
    771,783.87x = 1,158,070.88 × 367,433.49
  4. Step 4: Simplify right side
    771,783.87x = 425,514,025,105.77
  5. Step 5: Solve for x
    x = 425,514,025,105.77/771,783.87
  6. Step 6: Final answer
    x = 551,338.32

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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.