Home / 903,120.32-1,246,302.24-500,712.32

Finding the Fourth Proportional to 903,120.32, 1,246,302.24 and 500,712.32

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Solution

The fourth proportional to 903,120.32, 1,246,302.24 and 500,712.32 is: 690,980.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,120.32 : 1,246,302.24 = 500,712.32 : x
  2. Step 2: Convert to fraction form
    903,120.32/1,246,302.24 = 500,712.32/x
  3. Step 3: Cross multiply
    903,120.32x = 1,246,302.24 × 500,712.32
  4. Step 4: Simplify right side
    903,120.32x = 624,038,886,011.60
  5. Step 5: Solve for x
    x = 624,038,886,011.60/903,120.32
  6. Step 6: Final answer
    x = 690,980.89

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.