Home / 742,596.02-1,114,133.93-343,498.60

Finding the Fourth Proportional to 742,596.02, 1,114,133.93 and 343,498.60

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Solution

The fourth proportional to 742,596.02, 1,114,133.93 and 343,498.60 is: 515,358.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,596.02 : 1,114,133.93 = 343,498.60 : x
  2. Step 2: Convert to fraction form
    742,596.02/1,114,133.93 = 343,498.60/x
  3. Step 3: Cross multiply
    742,596.02x = 1,114,133.93 × 343,498.60
  4. Step 4: Simplify right side
    742,596.02x = 382,703,437,879.34
  5. Step 5: Solve for x
    x = 382,703,437,879.34/742,596.02
  6. Step 6: Final answer
    x = 515,358.86

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Double scale
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Similar ratio
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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.