Home / 684,002.98-1,026,114.72-210,688.12

Finding the Fourth Proportional to 684,002.98, 1,026,114.72 and 210,688.12

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Solution

The fourth proportional to 684,002.98, 1,026,114.72 and 210,688.12 is: 316,066.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,002.98 : 1,026,114.72 = 210,688.12 : x
  2. Step 2: Convert to fraction form
    684,002.98/1,026,114.72 = 210,688.12/x
  3. Step 3: Cross multiply
    684,002.98x = 1,026,114.72 × 210,688.12
  4. Step 4: Simplify right side
    684,002.98x = 216,190,181,261.13
  5. Step 5: Solve for x
    x = 216,190,181,261.13/684,002.98
  6. Step 6: Final answer
    x = 316,066.14

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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.