Home / 914,415.48-1,371,688.83-315,367.83

Finding the Fourth Proportional to 914,415.48, 1,371,688.83 and 315,367.83

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Solution

The fourth proportional to 914,415.48, 1,371,688.83 and 315,367.83 is: 473,074.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,415.48 : 1,371,688.83 = 315,367.83 : x
  2. Step 2: Convert to fraction form
    914,415.48/1,371,688.83 = 315,367.83/x
  3. Step 3: Cross multiply
    914,415.48x = 1,371,688.83 × 315,367.83
  4. Step 4: Simplify right side
    914,415.48x = 432,586,529,752.34
  5. Step 5: Solve for x
    x = 432,586,529,752.34/914,415.48
  6. Step 6: Final answer
    x = 473,074.37

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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.