Home / 882,746.56-1,323,082.88-408,429.76

Finding the Fourth Proportional to 882,746.56, 1,323,082.88 and 408,429.76

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Solution

The fourth proportional to 882,746.56, 1,323,082.88 and 408,429.76 is: 612,164.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,746.56 : 1,323,082.88 = 408,429.76 : x
  2. Step 2: Convert to fraction form
    882,746.56/1,323,082.88 = 408,429.76/x
  3. Step 3: Cross multiply
    882,746.56x = 1,323,082.88 × 408,429.76
  4. Step 4: Simplify right side
    882,746.56x = 540,386,423,138.51
  5. Step 5: Solve for x
    x = 540,386,423,138.51/882,746.56
  6. Step 6: Final answer
    x = 612,164.86

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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.