Home / 642,746.76-964,184.04-238,047.18

Finding the Fourth Proportional to 642,746.76, 964,184.04 and 238,047.18

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Solution

The fourth proportional to 642,746.76, 964,184.04 and 238,047.18 is: 357,094.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,746.76 : 964,184.04 = 238,047.18 : x
  2. Step 2: Convert to fraction form
    642,746.76/964,184.04 = 238,047.18/x
  3. Step 3: Cross multiply
    642,746.76x = 964,184.04 × 238,047.18
  4. Step 4: Simplify right side
    642,746.76x = 229,521,291,723.01
  5. Step 5: Solve for x
    x = 229,521,291,723.01/642,746.76
  6. Step 6: Final answer
    x = 357,094.44

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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.