Home / 786,040.10-1,176,338.55-470,723.30

Finding the Fourth Proportional to 786,040.10, 1,176,338.55 and 470,723.30

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Solution

The fourth proportional to 786,040.10, 1,176,338.55 and 470,723.30 is: 704,455.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,040.10 : 1,176,338.55 = 470,723.30 : x
  2. Step 2: Convert to fraction form
    786,040.10/1,176,338.55 = 470,723.30/x
  3. Step 3: Cross multiply
    786,040.10x = 1,176,338.55 × 470,723.30
  4. Step 4: Simplify right side
    786,040.10x = 553,729,964,173.22
  5. Step 5: Solve for x
    x = 553,729,964,173.22/786,040.10
  6. Step 6: Final answer
    x = 704,455.11

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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.