Home / 772,160.70-1,157,701.05-456,455.10

Finding the Fourth Proportional to 772,160.70, 1,157,701.05 and 456,455.10

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Solution

The fourth proportional to 772,160.70, 1,157,701.05 and 456,455.10 is: 684,363.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,160.70 : 1,157,701.05 = 456,455.10 : x
  2. Step 2: Convert to fraction form
    772,160.70/1,157,701.05 = 456,455.10/x
  3. Step 3: Cross multiply
    772,160.70x = 1,157,701.05 × 456,455.10
  4. Step 4: Simplify right side
    772,160.70x = 528,438,548,547.86
  5. Step 5: Solve for x
    x = 528,438,548,547.86/772,160.70
  6. Step 6: Final answer
    x = 684,363.43

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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.