Home / 691,931.16-1,037,970.58-292,612.32

Finding the Fourth Proportional to 691,931.16, 1,037,970.58 and 292,612.32

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Solution

The fourth proportional to 691,931.16, 1,037,970.58 and 292,612.32 is: 438,949.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,931.16 : 1,037,970.58 = 292,612.32 : x
  2. Step 2: Convert to fraction form
    691,931.16/1,037,970.58 = 292,612.32/x
  3. Step 3: Cross multiply
    691,931.16x = 1,037,970.58 × 292,612.32
  4. Step 4: Simplify right side
    691,931.16x = 303,722,979,505.55
  5. Step 5: Solve for x
    x = 303,722,979,505.55/691,931.16
  6. Step 6: Final answer
    x = 438,949.71

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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.