Home / 807,619.65-1,114,438.95-476,423.91

Finding the Fourth Proportional to 807,619.65, 1,114,438.95 and 476,423.91

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Solution

The fourth proportional to 807,619.65, 1,114,438.95 and 476,423.91 is: 657,420.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,619.65 : 1,114,438.95 = 476,423.91 : x
  2. Step 2: Convert to fraction form
    807,619.65/1,114,438.95 = 476,423.91/x
  3. Step 3: Cross multiply
    807,619.65x = 1,114,438.95 × 476,423.91
  4. Step 4: Simplify right side
    807,619.65x = 530,945,362,015.29
  5. Step 5: Solve for x
    x = 530,945,362,015.29/807,619.65
  6. Step 6: Final answer
    x = 657,420.06

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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.