Home / 780,050.10-1,170,075.15-306,578.10

Finding the Fourth Proportional to 780,050.10, 1,170,075.15 and 306,578.10

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Solution

The fourth proportional to 780,050.10, 1,170,075.15 and 306,578.10 is: 459,867.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,050.10 : 1,170,075.15 = 306,578.10 : x
  2. Step 2: Convert to fraction form
    780,050.10/1,170,075.15 = 306,578.10/x
  3. Step 3: Cross multiply
    780,050.10x = 1,170,075.15 × 306,578.10
  4. Step 4: Simplify right side
    780,050.10x = 358,719,416,344.22
  5. Step 5: Solve for x
    x = 358,719,416,344.22/780,050.10
  6. Step 6: Final answer
    x = 459,867.15

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Similar ratio
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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.