Home / 776,319.20-1,071,244.32-436,780.16

Finding the Fourth Proportional to 776,319.20, 1,071,244.32 and 436,780.16

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Solution

The fourth proportional to 776,319.20, 1,071,244.32 and 436,780.16 is: 602,713.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,319.20 : 1,071,244.32 = 436,780.16 : x
  2. Step 2: Convert to fraction form
    776,319.20/1,071,244.32 = 436,780.16/x
  3. Step 3: Cross multiply
    776,319.20x = 1,071,244.32 × 436,780.16
  4. Step 4: Simplify right side
    776,319.20x = 467,898,265,488.69
  5. Step 5: Solve for x
    x = 467,898,265,488.69/776,319.20
  6. Step 6: Final answer
    x = 602,713.76

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Double scale
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1.5x scale

Why These Related Problems?

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