Home / 1,108,068.29-1,662,152.20-339,509.67

Finding the Fourth Proportional to 1,108,068.29, 1,662,152.20 and 339,509.67

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Solution

The fourth proportional to 1,108,068.29, 1,662,152.20 and 339,509.67 is: 509,279.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,068.29 : 1,662,152.20 = 339,509.67 : x
  2. Step 2: Convert to fraction form
    1,108,068.29/1,662,152.20 = 339,509.67/x
  3. Step 3: Cross multiply
    1,108,068.29x = 1,662,152.20 × 339,509.67
  4. Step 4: Simplify right side
    1,108,068.29x = 564,316,744,911.77
  5. Step 5: Solve for x
    x = 564,316,744,911.77/1,108,068.29
  6. Step 6: Final answer
    x = 509,279.76

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Double scale
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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.