Home / 779,784.12-1,075,980.60-440,245.08

Finding the Fourth Proportional to 779,784.12, 1,075,980.60 and 440,245.08

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Solution

The fourth proportional to 779,784.12, 1,075,980.60 and 440,245.08 is: 607,469.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,784.12 : 1,075,980.60 = 440,245.08 : x
  2. Step 2: Convert to fraction form
    779,784.12/1,075,980.60 = 440,245.08/x
  3. Step 3: Cross multiply
    779,784.12x = 1,075,980.60 × 440,245.08
  4. Step 4: Simplify right side
    779,784.12x = 473,695,165,325.45
  5. Step 5: Solve for x
    x = 473,695,165,325.45/779,784.12
  6. Step 6: Final answer
    x = 607,469.62

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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.