Home / 633,316.32-873,977.85-342,931.05

Finding the Fourth Proportional to 633,316.32, 873,977.85 and 342,931.05

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Solution

The fourth proportional to 633,316.32, 873,977.85 and 342,931.05 is: 473,245.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,316.32 : 873,977.85 = 342,931.05 : x
  2. Step 2: Convert to fraction form
    633,316.32/873,977.85 = 342,931.05/x
  3. Step 3: Cross multiply
    633,316.32x = 873,977.85 × 342,931.05
  4. Step 4: Simplify right side
    633,316.32x = 299,714,141,777.24
  5. Step 5: Solve for x
    x = 299,714,141,777.24/633,316.32
  6. Step 6: Final answer
    x = 473,245.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.