Home / 947,609.55-1,421,488.85-316,525.59

Finding the Fourth Proportional to 947,609.55, 1,421,488.85 and 316,525.59

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Solution

The fourth proportional to 947,609.55, 1,421,488.85 and 316,525.59 is: 474,813.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,609.55 : 1,421,488.85 = 316,525.59 : x
  2. Step 2: Convert to fraction form
    947,609.55/1,421,488.85 = 316,525.59/x
  3. Step 3: Cross multiply
    947,609.55x = 1,421,488.85 × 316,525.59
  4. Step 4: Simplify right side
    947,609.55x = 449,937,595,342.04
  5. Step 5: Solve for x
    x = 449,937,595,342.04/947,609.55
  6. Step 6: Final answer
    x = 474,813.28

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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.