Home / 903,298.56-1,354,948.40-229,430.40

Finding the Fourth Proportional to 903,298.56, 1,354,948.40 and 229,430.40

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Solution

The fourth proportional to 903,298.56, 1,354,948.40 and 229,430.40 is: 344,145.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,298.56 : 1,354,948.40 = 229,430.40 : x
  2. Step 2: Convert to fraction form
    903,298.56/1,354,948.40 = 229,430.40/x
  3. Step 3: Cross multiply
    903,298.56x = 1,354,948.40 × 229,430.40
  4. Step 4: Simplify right side
    903,298.56x = 310,866,353,391.36
  5. Step 5: Solve for x
    x = 310,866,353,391.36/903,298.56
  6. Step 6: Final answer
    x = 344,145.74

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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.