Home / 744,294.32-1,115,439.08-406,828.08

Finding the Fourth Proportional to 744,294.32, 1,115,439.08 and 406,828.08

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Solution

The fourth proportional to 744,294.32, 1,115,439.08 and 406,828.08 is: 609,694.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,294.32 : 1,115,439.08 = 406,828.08 : x
  2. Step 2: Convert to fraction form
    744,294.32/1,115,439.08 = 406,828.08/x
  3. Step 3: Cross multiply
    744,294.32x = 1,115,439.08 × 406,828.08
  4. Step 4: Simplify right side
    744,294.32x = 453,791,939,273.37
  5. Step 5: Solve for x
    x = 453,791,939,273.37/744,294.32
  6. Step 6: Final answer
    x = 609,694.21

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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.