Home / 885,485.67-1,328,270.00-286,493.72

Finding the Fourth Proportional to 885,485.67, 1,328,270.00 and 286,493.72

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Solution

The fourth proportional to 885,485.67, 1,328,270.00 and 286,493.72 is: 429,754.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,485.67 : 1,328,270.00 = 286,493.72 : x
  2. Step 2: Convert to fraction form
    885,485.67/1,328,270.00 = 286,493.72/x
  3. Step 3: Cross multiply
    885,485.67x = 1,328,270.00 × 286,493.72
  4. Step 4: Simplify right side
    885,485.67x = 380,541,005,390.58
  5. Step 5: Solve for x
    x = 380,541,005,390.58/885,485.67
  6. Step 6: Final answer
    x = 429,754.00

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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.