Home / 772,148.06-1,157,827.14-322,746.32

Finding the Fourth Proportional to 772,148.06, 1,157,827.14 and 322,746.32

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Solution

The fourth proportional to 772,148.06, 1,157,827.14 and 322,746.32 is: 483,954.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,148.06 : 1,157,827.14 = 322,746.32 : x
  2. Step 2: Convert to fraction form
    772,148.06/1,157,827.14 = 322,746.32/x
  3. Step 3: Cross multiply
    772,148.06x = 1,157,827.14 × 322,746.32
  4. Step 4: Simplify right side
    772,148.06x = 373,684,448,631.13
  5. Step 5: Solve for x
    x = 373,684,448,631.13/772,148.06
  6. Step 6: Final answer
    x = 483,954.40

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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.