Home / 634,265.04-875,286-347,779.20

Finding the Fourth Proportional to 634,265.04, 875,286 and 347,779.20

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Solution

The fourth proportional to 634,265.04, 875,286 and 347,779.20 is: 479,935.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,265.04 : 875,286 = 347,779.20 : x
  2. Step 2: Convert to fraction form
    634,265.04/875,286 = 347,779.20/x
  3. Step 3: Cross multiply
    634,265.04x = 875,286 × 347,779.20
  4. Step 4: Simplify right side
    634,265.04x = 304,406,264,851.20
  5. Step 5: Solve for x
    x = 304,406,264,851.20/634,265.04
  6. Step 6: Final answer
    x = 479,935.43

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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.