Home / 968,726.88-1,453,016.64-429,150.24

Finding the Fourth Proportional to 968,726.88, 1,453,016.64 and 429,150.24

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Solution

The fourth proportional to 968,726.88, 1,453,016.64 and 429,150.24 is: 643,692.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,726.88 : 1,453,016.64 = 429,150.24 : x
  2. Step 2: Convert to fraction form
    968,726.88/1,453,016.64 = 429,150.24/x
  3. Step 3: Cross multiply
    968,726.88x = 1,453,016.64 × 429,150.24
  4. Step 4: Simplify right side
    968,726.88x = 623,562,439,779.99
  5. Step 5: Solve for x
    x = 623,562,439,779.99/968,726.88
  6. Step 6: Final answer
    x = 643,692.72

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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.