Home / 914,280.39-1,371,510.76-315,162.67

Finding the Fourth Proportional to 914,280.39, 1,371,510.76 and 315,162.67

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Solution

The fourth proportional to 914,280.39, 1,371,510.76 and 315,162.67 is: 472,775.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,280.39 : 1,371,510.76 = 315,162.67 : x
  2. Step 2: Convert to fraction form
    914,280.39/1,371,510.76 = 315,162.67/x
  3. Step 3: Cross multiply
    914,280.39x = 1,371,510.76 × 315,162.67
  4. Step 4: Simplify right side
    914,280.39x = 432,248,993,055.33
  5. Step 5: Solve for x
    x = 432,248,993,055.33/914,280.39
  6. Step 6: Final answer
    x = 472,775.09

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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.