Home / 862,631.51-1,294,187.28-376,356.16

Finding the Fourth Proportional to 862,631.51, 1,294,187.28 and 376,356.16

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Solution

The fourth proportional to 862,631.51, 1,294,187.28 and 376,356.16 is: 564,638.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,631.51 : 1,294,187.28 = 376,356.16 : x
  2. Step 2: Convert to fraction form
    862,631.51/1,294,187.28 = 376,356.16/x
  3. Step 3: Cross multiply
    862,631.51x = 1,294,187.28 × 376,356.16
  4. Step 4: Simplify right side
    862,631.51x = 487,075,356,054.33
  5. Step 5: Solve for x
    x = 487,075,356,054.33/862,631.51
  6. Step 6: Final answer
    x = 564,638.96

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1.5x scale

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.