Home / 914,350.95-1,371,592.11-315,303.45

Finding the Fourth Proportional to 914,350.95, 1,371,592.11 and 315,303.45

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Solution

The fourth proportional to 914,350.95, 1,371,592.11 and 315,303.45 is: 472,977.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,350.95 : 1,371,592.11 = 315,303.45 : x
  2. Step 2: Convert to fraction form
    914,350.95/1,371,592.11 = 315,303.45/x
  3. Step 3: Cross multiply
    914,350.95x = 1,371,592.11 × 315,303.45
  4. Step 4: Simplify right side
    914,350.95x = 432,467,724,275.78
  5. Step 5: Solve for x
    x = 432,467,724,275.78/914,350.95
  6. Step 6: Final answer
    x = 472,977.83

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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.