Home / 740,425.38-1,109,798.48-340,239.24

Finding the Fourth Proportional to 740,425.38, 1,109,798.48 and 340,239.24

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Solution

The fourth proportional to 740,425.38, 1,109,798.48 and 340,239.24 is: 509,973.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,425.38 : 1,109,798.48 = 340,239.24 : x
  2. Step 2: Convert to fraction form
    740,425.38/1,109,798.48 = 340,239.24/x
  3. Step 3: Cross multiply
    740,425.38x = 1,109,798.48 × 340,239.24
  4. Step 4: Simplify right side
    740,425.38x = 377,596,989,687.16
  5. Step 5: Solve for x
    x = 377,596,989,687.16/740,425.38
  6. Step 6: Final answer
    x = 509,973.05

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Double scale
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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.