Home / 907,554.64-1,362,173.98-458,590.78

Finding the Fourth Proportional to 907,554.64, 1,362,173.98 and 458,590.78

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Solution

The fourth proportional to 907,554.64, 1,362,173.98 and 458,590.78 is: 688,311.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,554.64 : 1,362,173.98 = 458,590.78 : x
  2. Step 2: Convert to fraction form
    907,554.64/1,362,173.98 = 458,590.78/x
  3. Step 3: Cross multiply
    907,554.64x = 1,362,173.98 × 458,590.78
  4. Step 4: Simplify right side
    907,554.64x = 624,680,427,983.90
  5. Step 5: Solve for x
    x = 624,680,427,983.90/907,554.64
  6. Step 6: Final answer
    x = 688,311.65

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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.