Home / 684,478.64-1,026,814.40-211,202.48

Finding the Fourth Proportional to 684,478.64, 1,026,814.40 and 211,202.48

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Solution

The fourth proportional to 684,478.64, 1,026,814.40 and 211,202.48 is: 316,833.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,478.64 : 1,026,814.40 = 211,202.48 : x
  2. Step 2: Convert to fraction form
    684,478.64/1,026,814.40 = 211,202.48/x
  3. Step 3: Cross multiply
    684,478.64x = 1,026,814.40 × 211,202.48
  4. Step 4: Simplify right side
    684,478.64x = 216,865,747,779.71
  5. Step 5: Solve for x
    x = 216,865,747,779.71/684,478.64
  6. Step 6: Final answer
    x = 316,833.48

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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.