Home / 914,314.16-1,371,561.46-315,196.45

Finding the Fourth Proportional to 914,314.16, 1,371,561.46 and 315,196.45

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Solution

The fourth proportional to 914,314.16, 1,371,561.46 and 315,196.45 is: 472,825.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,314.16 : 1,371,561.46 = 315,196.45 : x
  2. Step 2: Convert to fraction form
    914,314.16/1,371,561.46 = 315,196.45/x
  3. Step 3: Cross multiply
    914,314.16x = 1,371,561.46 × 315,196.45
  4. Step 4: Simplify right side
    914,314.16x = 432,311,298,931.92
  5. Step 5: Solve for x
    x = 432,311,298,931.92/914,314.16
  6. Step 6: Final answer
    x = 472,825.77

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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.