Home / 788,389.96-1,087,914.88-444,211.24

Finding the Fourth Proportional to 788,389.96, 1,087,914.88 and 444,211.24

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Solution

The fourth proportional to 788,389.96, 1,087,914.88 and 444,211.24 is: 612,975.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,389.96 : 1,087,914.88 = 444,211.24 : x
  2. Step 2: Convert to fraction form
    788,389.96/1,087,914.88 = 444,211.24/x
  3. Step 3: Cross multiply
    788,389.96x = 1,087,914.88 × 444,211.24
  4. Step 4: Simplify right side
    788,389.96x = 483,264,017,859.25
  5. Step 5: Solve for x
    x = 483,264,017,859.25/788,389.96
  6. Step 6: Final answer
    x = 612,975.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.