Home / 634,367.10-875,435.40-347,868.30

Finding the Fourth Proportional to 634,367.10, 875,435.40 and 347,868.30

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Solution

The fourth proportional to 634,367.10, 875,435.40 and 347,868.30 is: 480,063.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,367.10 : 875,435.40 = 347,868.30 : x
  2. Step 2: Convert to fraction form
    634,367.10/875,435.40 = 347,868.30/x
  3. Step 3: Cross multiply
    634,367.10x = 875,435.40 × 347,868.30
  4. Step 4: Simplify right side
    634,367.10x = 304,536,224,357.82
  5. Step 5: Solve for x
    x = 304,536,224,357.82/634,367.10
  6. Step 6: Final answer
    x = 480,063.08

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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.