Home / 709,322.40-1,064,080.80-235,958.40

Finding the Fourth Proportional to 709,322.40, 1,064,080.80 and 235,958.40

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Solution

The fourth proportional to 709,322.40, 1,064,080.80 and 235,958.40 is: 353,969.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,322.40 : 1,064,080.80 = 235,958.40 : x
  2. Step 2: Convert to fraction form
    709,322.40/1,064,080.80 = 235,958.40/x
  3. Step 3: Cross multiply
    709,322.40x = 1,064,080.80 × 235,958.40
  4. Step 4: Simplify right side
    709,322.40x = 251,078,803,038.72
  5. Step 5: Solve for x
    x = 251,078,803,038.72/709,322.40
  6. Step 6: Final answer
    x = 353,969.93

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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.