Home / 889,050.72-1,333,619.04-290,010.72

Finding the Fourth Proportional to 889,050.72, 1,333,619.04 and 290,010.72

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Solution

The fourth proportional to 889,050.72, 1,333,619.04 and 290,010.72 is: 435,030.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,050.72 : 1,333,619.04 = 290,010.72 : x
  2. Step 2: Convert to fraction form
    889,050.72/1,333,619.04 = 290,010.72/x
  3. Step 3: Cross multiply
    889,050.72x = 1,333,619.04 × 290,010.72
  4. Step 4: Simplify right side
    889,050.72x = 386,763,817,996.11
  5. Step 5: Solve for x
    x = 386,763,817,996.11/889,050.72
  6. Step 6: Final answer
    x = 435,030.09

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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.