Home / 746,302.10-1,119,914.85-391,570.70

Finding the Fourth Proportional to 746,302.10, 1,119,914.85 and 391,570.70

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Solution

The fourth proportional to 746,302.10, 1,119,914.85 and 391,570.70 is: 587,598.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,302.10 : 1,119,914.85 = 391,570.70 : x
  2. Step 2: Convert to fraction form
    746,302.10/1,119,914.85 = 391,570.70/x
  3. Step 3: Cross multiply
    746,302.10x = 1,119,914.85 × 391,570.70
  4. Step 4: Simplify right side
    746,302.10x = 438,525,841,754.90
  5. Step 5: Solve for x
    x = 438,525,841,754.90/746,302.10
  6. Step 6: Final answer
    x = 587,598.30

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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.