Home / 784,653.40-1,176,980.10-216,033.40

Finding the Fourth Proportional to 784,653.40, 1,176,980.10 and 216,033.40

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Solution

The fourth proportional to 784,653.40, 1,176,980.10 and 216,033.40 is: 324,050.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,653.40 : 1,176,980.10 = 216,033.40 : x
  2. Step 2: Convert to fraction form
    784,653.40/1,176,980.10 = 216,033.40/x
  3. Step 3: Cross multiply
    784,653.40x = 1,176,980.10 × 216,033.40
  4. Step 4: Simplify right side
    784,653.40x = 254,267,012,735.34
  5. Step 5: Solve for x
    x = 254,267,012,735.34/784,653.40
  6. Step 6: Final answer
    x = 324,050.10

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Double scale
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Similar ratio
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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.