Home / 709,324.83-1,061,490.83-443,210.67

Finding the Fourth Proportional to 709,324.83, 1,061,490.83 and 443,210.67

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Solution

The fourth proportional to 709,324.83, 1,061,490.83 and 443,210.67 is: 663,256.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,324.83 : 1,061,490.83 = 443,210.67 : x
  2. Step 2: Convert to fraction form
    709,324.83/1,061,490.83 = 443,210.67/x
  3. Step 3: Cross multiply
    709,324.83x = 1,061,490.83 × 443,210.67
  4. Step 4: Simplify right side
    709,324.83x = 470,464,059,747.10
  5. Step 5: Solve for x
    x = 470,464,059,747.10/709,324.83
  6. Step 6: Final answer
    x = 663,256.16

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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.