Home / 977,808.66-1,349,438.31-548,088.90

Finding the Fourth Proportional to 977,808.66, 1,349,438.31 and 548,088.90

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Solution

The fourth proportional to 977,808.66, 1,349,438.31 and 548,088.90 is: 756,397.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,808.66 : 1,349,438.31 = 548,088.90 : x
  2. Step 2: Convert to fraction form
    977,808.66/1,349,438.31 = 548,088.90/x
  3. Step 3: Cross multiply
    977,808.66x = 1,349,438.31 × 548,088.90
  4. Step 4: Simplify right side
    977,808.66x = 739,612,158,945.76
  5. Step 5: Solve for x
    x = 739,612,158,945.76/977,808.66
  6. Step 6: Final answer
    x = 756,397.64

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1.5x scale

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.