Home / 854,313.38-1,281,075.65-314,434.05

Finding the Fourth Proportional to 854,313.38, 1,281,075.65 and 314,434.05

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Solution

The fourth proportional to 854,313.38, 1,281,075.65 and 314,434.05 is: 471,505.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,313.38 : 1,281,075.65 = 314,434.05 : x
  2. Step 2: Convert to fraction form
    854,313.38/1,281,075.65 = 314,434.05/x
  3. Step 3: Cross multiply
    854,313.38x = 1,281,075.65 × 314,434.05
  4. Step 4: Simplify right side
    854,313.38x = 402,813,806,994.86
  5. Step 5: Solve for x
    x = 402,813,806,994.86/854,313.38
  6. Step 6: Final answer
    x = 471,505.91

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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.