Home / 826,314.66-1,239,482.88-470,905.26

Finding the Fourth Proportional to 826,314.66, 1,239,482.88 and 470,905.26

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Solution

The fourth proportional to 826,314.66, 1,239,482.88 and 470,905.26 is: 706,364.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,314.66 : 1,239,482.88 = 470,905.26 : x
  2. Step 2: Convert to fraction form
    826,314.66/1,239,482.88 = 470,905.26/x
  3. Step 3: Cross multiply
    826,314.66x = 1,239,482.88 × 470,905.26
  4. Step 4: Simplify right side
    826,314.66x = 583,679,007,871.95
  5. Step 5: Solve for x
    x = 583,679,007,871.95/826,314.66
  6. Step 6: Final answer
    x = 706,364.10

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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.