Home / 937,409.10-1,406,186.51-306,386.70

Finding the Fourth Proportional to 937,409.10, 1,406,186.51 and 306,386.70

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Solution

The fourth proportional to 937,409.10, 1,406,186.51 and 306,386.70 is: 459,603.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,409.10 : 1,406,186.51 = 306,386.70 : x
  2. Step 2: Convert to fraction form
    937,409.10/1,406,186.51 = 306,386.70/x
  3. Step 3: Cross multiply
    937,409.10x = 1,406,186.51 × 306,386.70
  4. Step 4: Simplify right side
    937,409.10x = 430,836,842,851.48
  5. Step 5: Solve for x
    x = 430,836,842,851.48/937,409.10
  6. Step 6: Final answer
    x = 459,603.86

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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.