Home / 885,704.90-1,328,686.95-286,564.10

Finding the Fourth Proportional to 885,704.90, 1,328,686.95 and 286,564.10

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Solution

The fourth proportional to 885,704.90, 1,328,686.95 and 286,564.10 is: 429,888.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,704.90 : 1,328,686.95 = 286,564.10 : x
  2. Step 2: Convert to fraction form
    885,704.90/1,328,686.95 = 286,564.10/x
  3. Step 3: Cross multiply
    885,704.90x = 1,328,686.95 × 286,564.10
  4. Step 4: Simplify right side
    885,704.90x = 380,753,980,008.50
  5. Step 5: Solve for x
    x = 380,753,980,008.50/885,704.90
  6. Step 6: Final answer
    x = 429,888.08

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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.