Home / 699,571.20-1,050,134.40-384,643.20

Finding the Fourth Proportional to 699,571.20, 1,050,134.40 and 384,643.20

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Solution

The fourth proportional to 699,571.20, 1,050,134.40 and 384,643.20 is: 577,392.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,571.20 : 1,050,134.40 = 384,643.20 : x
  2. Step 2: Convert to fraction form
    699,571.20/1,050,134.40 = 384,643.20/x
  3. Step 3: Cross multiply
    699,571.20x = 1,050,134.40 × 384,643.20
  4. Step 4: Simplify right side
    699,571.20x = 403,927,056,046.08
  5. Step 5: Solve for x
    x = 403,927,056,046.08/699,571.20
  6. Step 6: Final answer
    x = 577,392.35

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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.