Home / 977,810.66-1,349,441.07-548,090.90

Finding the Fourth Proportional to 977,810.66, 1,349,441.07 and 548,090.90

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Solution

The fourth proportional to 977,810.66, 1,349,441.07 and 548,090.90 is: 756,400.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,810.66 : 1,349,441.07 = 548,090.90 : x
  2. Step 2: Convert to fraction form
    977,810.66/1,349,441.07 = 548,090.90/x
  3. Step 3: Cross multiply
    977,810.66x = 1,349,441.07 × 548,090.90
  4. Step 4: Simplify right side
    977,810.66x = 739,616,370,553.26
  5. Step 5: Solve for x
    x = 739,616,370,553.26/977,810.66
  6. Step 6: Final answer
    x = 756,400.40

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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.