Home / 745,339.32-1,118,116.58-366,281.64

Finding the Fourth Proportional to 745,339.32, 1,118,116.58 and 366,281.64

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Solution

The fourth proportional to 745,339.32, 1,118,116.58 and 366,281.64 is: 549,475.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,339.32 : 1,118,116.58 = 366,281.64 : x
  2. Step 2: Convert to fraction form
    745,339.32/1,118,116.58 = 366,281.64/x
  3. Step 3: Cross multiply
    745,339.32x = 1,118,116.58 × 366,281.64
  4. Step 4: Simplify right side
    745,339.32x = 409,545,577,428.88
  5. Step 5: Solve for x
    x = 409,545,577,428.88/745,339.32
  6. Step 6: Final answer
    x = 549,475.34

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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.