Home / 684,005.10-1,026,007.65-369,077.10

Finding the Fourth Proportional to 684,005.10, 1,026,007.65 and 369,077.10

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Solution

The fourth proportional to 684,005.10, 1,026,007.65 and 369,077.10 is: 553,615.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,005.10 : 1,026,007.65 = 369,077.10 : x
  2. Step 2: Convert to fraction form
    684,005.10/1,026,007.65 = 369,077.10/x
  3. Step 3: Cross multiply
    684,005.10x = 1,026,007.65 × 369,077.10
  4. Step 4: Simplify right side
    684,005.10x = 378,675,928,039.82
  5. Step 5: Solve for x
    x = 378,675,928,039.82/684,005.10
  6. Step 6: Final answer
    x = 553,615.65

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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.