Home / 705,033.40-972,946.76-382,743.32

Finding the Fourth Proportional to 705,033.40, 972,946.76 and 382,743.32

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Solution

The fourth proportional to 705,033.40, 972,946.76 and 382,743.32 is: 528,186.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,033.40 : 972,946.76 = 382,743.32 : x
  2. Step 2: Convert to fraction form
    705,033.40/972,946.76 = 382,743.32/x
  3. Step 3: Cross multiply
    705,033.40x = 972,946.76 × 382,743.32
  4. Step 4: Simplify right side
    705,033.40x = 372,388,873,105.64
  5. Step 5: Solve for x
    x = 372,388,873,105.64/705,033.40
  6. Step 6: Final answer
    x = 528,186.14

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.