Home / 684,830.16-1,026,980.64-235,465.92

Finding the Fourth Proportional to 684,830.16, 1,026,980.64 and 235,465.92

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Solution

The fourth proportional to 684,830.16, 1,026,980.64 and 235,465.92 is: 353,107.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,830.16 : 1,026,980.64 = 235,465.92 : x
  2. Step 2: Convert to fraction form
    684,830.16/1,026,980.64 = 235,465.92/x
  3. Step 3: Cross multiply
    684,830.16x = 1,026,980.64 × 235,465.92
  4. Step 4: Simplify right side
    684,830.16x = 241,818,941,219.79
  5. Step 5: Solve for x
    x = 241,818,941,219.79/684,830.16
  6. Step 6: Final answer
    x = 353,107.90

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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.