Home / 703,513.20-1,054,492.20-388,196.40

Finding the Fourth Proportional to 703,513.20, 1,054,492.20 and 388,196.40

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Solution

The fourth proportional to 703,513.20, 1,054,492.20 and 388,196.40 is: 581,865.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,513.20 : 1,054,492.20 = 388,196.40 : x
  2. Step 2: Convert to fraction form
    703,513.20/1,054,492.20 = 388,196.40/x
  3. Step 3: Cross multiply
    703,513.20x = 1,054,492.20 × 388,196.40
  4. Step 4: Simplify right side
    703,513.20x = 409,350,075,868.08
  5. Step 5: Solve for x
    x = 409,350,075,868.08/703,513.20
  6. Step 6: Final answer
    x = 581,865.52

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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.