Home / 700,086.40-1,050,244.80-300,918.40

Finding the Fourth Proportional to 700,086.40, 1,050,244.80 and 300,918.40

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Solution

The fourth proportional to 700,086.40, 1,050,244.80 and 300,918.40 is: 451,427.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,086.40 : 1,050,244.80 = 300,918.40 : x
  2. Step 2: Convert to fraction form
    700,086.40/1,050,244.80 = 300,918.40/x
  3. Step 3: Cross multiply
    700,086.40x = 1,050,244.80 × 300,918.40
  4. Step 4: Simplify right side
    700,086.40x = 316,037,984,824.32
  5. Step 5: Solve for x
    x = 316,037,984,824.32/700,086.40
  6. Step 6: Final answer
    x = 451,427.12

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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.