Home / 784,261.12-1,176,501.84-310,994.32

Finding the Fourth Proportional to 784,261.12, 1,176,501.84 and 310,994.32

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Solution

The fourth proportional to 784,261.12, 1,176,501.84 and 310,994.32 is: 466,535.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,261.12 : 1,176,501.84 = 310,994.32 : x
  2. Step 2: Convert to fraction form
    784,261.12/1,176,501.84 = 310,994.32/x
  3. Step 3: Cross multiply
    784,261.12x = 1,176,501.84 × 310,994.32
  4. Step 4: Simplify right side
    784,261.12x = 365,885,389,709.55
  5. Step 5: Solve for x
    x = 365,885,389,709.55/784,261.12
  6. Step 6: Final answer
    x = 466,535.16

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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.