Home / 915,328.07-1,372,673.53-375,431.01

Finding the Fourth Proportional to 915,328.07, 1,372,673.53 and 375,431.01

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Solution

The fourth proportional to 915,328.07, 1,372,673.53 and 375,431.01 is: 563,015.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,328.07 : 1,372,673.53 = 375,431.01 : x
  2. Step 2: Convert to fraction form
    915,328.07/1,372,673.53 = 375,431.01/x
  3. Step 3: Cross multiply
    915,328.07x = 1,372,673.53 × 375,431.01
  4. Step 4: Simplify right side
    915,328.07x = 515,344,209,768.17
  5. Step 5: Solve for x
    x = 515,344,209,768.17/915,328.07
  6. Step 6: Final answer
    x = 563,015.85

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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.