Home / 939,510.99-1,409,254.19-229,545.18

Finding the Fourth Proportional to 939,510.99, 1,409,254.19 and 229,545.18

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Solution

The fourth proportional to 939,510.99, 1,409,254.19 and 229,545.18 is: 344,314.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,510.99 : 1,409,254.19 = 229,545.18 : x
  2. Step 2: Convert to fraction form
    939,510.99/1,409,254.19 = 229,545.18/x
  3. Step 3: Cross multiply
    939,510.99x = 1,409,254.19 × 229,545.18
  4. Step 4: Simplify right side
    939,510.99x = 323,487,506,709.30
  5. Step 5: Solve for x
    x = 323,487,506,709.30/939,510.99
  6. Step 6: Final answer
    x = 344,314.77

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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.