Home / 919,804.80-1,269,482.40-537,758.40

Finding the Fourth Proportional to 919,804.80, 1,269,482.40 and 537,758.40

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Solution

The fourth proportional to 919,804.80, 1,269,482.40 and 537,758.40 is: 742,195.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,804.80 : 1,269,482.40 = 537,758.40 : x
  2. Step 2: Convert to fraction form
    919,804.80/1,269,482.40 = 537,758.40/x
  3. Step 3: Cross multiply
    919,804.80x = 1,269,482.40 × 537,758.40
  4. Step 4: Simplify right side
    919,804.80x = 682,674,824,252.16
  5. Step 5: Solve for x
    x = 682,674,824,252.16/919,804.80
  6. Step 6: Final answer
    x = 742,195.33

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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.