Home / 889,113.50-1,333,727.55-312,666.06

Finding the Fourth Proportional to 889,113.50, 1,333,727.55 and 312,666.06

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Solution

The fourth proportional to 889,113.50, 1,333,727.55 and 312,666.06 is: 469,019.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,113.50 : 1,333,727.55 = 312,666.06 : x
  2. Step 2: Convert to fraction form
    889,113.50/1,333,727.55 = 312,666.06/x
  3. Step 3: Cross multiply
    889,113.50x = 1,333,727.55 × 312,666.06
  4. Step 4: Simplify right side
    889,113.50x = 417,011,341,845.19
  5. Step 5: Solve for x
    x = 417,011,341,845.19/889,113.50
  6. Step 6: Final answer
    x = 469,019.25

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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.