Home / 858,300.36-1,185,437.53-565,260.05

Finding the Fourth Proportional to 858,300.36, 1,185,437.53 and 565,260.05

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Solution

The fourth proportional to 858,300.36, 1,185,437.53 and 565,260.05 is: 780,706.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,300.36 : 1,185,437.53 = 565,260.05 : x
  2. Step 2: Convert to fraction form
    858,300.36/1,185,437.53 = 565,260.05/x
  3. Step 3: Cross multiply
    858,300.36x = 1,185,437.53 × 565,260.05
  4. Step 4: Simplify right side
    858,300.36x = 670,080,470,139.34
  5. Step 5: Solve for x
    x = 670,080,470,139.34/858,300.36
  6. Step 6: Final answer
    x = 780,706.27

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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.