Home / 684,290.07-1,026,369.36-210,848.31

Finding the Fourth Proportional to 684,290.07, 1,026,369.36 and 210,848.31

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Solution

The fourth proportional to 684,290.07, 1,026,369.36 and 210,848.31 is: 316,252.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,290.07 : 1,026,369.36 = 210,848.31 : x
  2. Step 2: Convert to fraction form
    684,290.07/1,026,369.36 = 210,848.31/x
  3. Step 3: Cross multiply
    684,290.07x = 1,026,369.36 × 210,848.31
  4. Step 4: Simplify right side
    684,290.07x = 216,408,244,991.78
  5. Step 5: Solve for x
    x = 216,408,244,991.78/684,290.07
  6. Step 6: Final answer
    x = 316,252.21

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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.