Home / 927,272.37-1,390,908.56-506,318.61

Finding the Fourth Proportional to 927,272.37, 1,390,908.56 and 506,318.61

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Solution

The fourth proportional to 927,272.37, 1,390,908.56 and 506,318.61 is: 759,477.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,272.37 : 1,390,908.56 = 506,318.61 : x
  2. Step 2: Convert to fraction form
    927,272.37/1,390,908.56 = 506,318.61/x
  3. Step 3: Cross multiply
    927,272.37x = 1,390,908.56 × 506,318.61
  4. Step 4: Simplify right side
    927,272.37x = 704,242,886,204.71
  5. Step 5: Solve for x
    x = 704,242,886,204.71/927,272.37
  6. Step 6: Final answer
    x = 759,477.92

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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.