Home / 904,915.80-1,357,373.70-668,719.80

Finding the Fourth Proportional to 904,915.80, 1,357,373.70 and 668,719.80

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Solution

The fourth proportional to 904,915.80, 1,357,373.70 and 668,719.80 is: 1,003,079.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,915.80 : 1,357,373.70 = 668,719.80 : x
  2. Step 2: Convert to fraction form
    904,915.80/1,357,373.70 = 668,719.80/x
  3. Step 3: Cross multiply
    904,915.80x = 1,357,373.70 × 668,719.80
  4. Step 4: Simplify right side
    904,915.80x = 907,702,669,189.26
  5. Step 5: Solve for x
    x = 907,702,669,189.26/904,915.80
  6. Step 6: Final answer
    x = 1,003,079.70

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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.