Home / 899,564.40-1,348,482.60-520,095.60

Finding the Fourth Proportional to 899,564.40, 1,348,482.60 and 520,095.60

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Solution

The fourth proportional to 899,564.40, 1,348,482.60 and 520,095.60 is: 779,643.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,564.40 : 1,348,482.60 = 520,095.60 : x
  2. Step 2: Convert to fraction form
    899,564.40/1,348,482.60 = 520,095.60/x
  3. Step 3: Cross multiply
    899,564.40x = 1,348,482.60 × 520,095.60
  4. Step 4: Simplify right side
    899,564.40x = 701,339,866,936.56
  5. Step 5: Solve for x
    x = 701,339,866,936.56/899,564.40
  6. Step 6: Final answer
    x = 779,643.87

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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.