Home / 740,152.20-1,109,969.10-385,048.20

Finding the Fourth Proportional to 740,152.20, 1,109,969.10 and 385,048.20

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Solution

The fourth proportional to 740,152.20, 1,109,969.10 and 385,048.20 is: 577,437.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,152.20 : 1,109,969.10 = 385,048.20 : x
  2. Step 2: Convert to fraction form
    740,152.20/1,109,969.10 = 385,048.20/x
  3. Step 3: Cross multiply
    740,152.20x = 1,109,969.10 × 385,048.20
  4. Step 4: Simplify right side
    740,152.20x = 427,391,604,010.62
  5. Step 5: Solve for x
    x = 427,391,604,010.62/740,152.20
  6. Step 6: Final answer
    x = 577,437.46

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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.