Home / 926,449.19-1,278,440.56-518,482.16

Finding the Fourth Proportional to 926,449.19, 1,278,440.56 and 518,482.16

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Solution

The fourth proportional to 926,449.19, 1,278,440.56 and 518,482.16 is: 715,472.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,449.19 : 1,278,440.56 = 518,482.16 : x
  2. Step 2: Convert to fraction form
    926,449.19/1,278,440.56 = 518,482.16/x
  3. Step 3: Cross multiply
    926,449.19x = 1,278,440.56 × 518,482.16
  4. Step 4: Simplify right side
    926,449.19x = 662,848,624,880.31
  5. Step 5: Solve for x
    x = 662,848,624,880.31/926,449.19
  6. Step 6: Final answer
    x = 715,472.18

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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.