Home / 915,417.29-1,372,938.23-346,602.14

Finding the Fourth Proportional to 915,417.29, 1,372,938.23 and 346,602.14

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Solution

The fourth proportional to 915,417.29, 1,372,938.23 and 346,602.14 is: 519,832.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,417.29 : 1,372,938.23 = 346,602.14 : x
  2. Step 2: Convert to fraction form
    915,417.29/1,372,938.23 = 346,602.14/x
  3. Step 3: Cross multiply
    915,417.29x = 1,372,938.23 × 346,602.14
  4. Step 4: Simplify right side
    915,417.29x = 475,863,332,904.66
  5. Step 5: Solve for x
    x = 475,863,332,904.66/915,417.29
  6. Step 6: Final answer
    x = 519,832.15

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1.5x scale

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.