Home / 711,238.86-1,065,338.10-575,717.76

Finding the Fourth Proportional to 711,238.86, 1,065,338.10 and 575,717.76

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Solution

The fourth proportional to 711,238.86, 1,065,338.10 and 575,717.76 is: 862,346.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,238.86 : 1,065,338.10 = 575,717.76 : x
  2. Step 2: Convert to fraction form
    711,238.86/1,065,338.10 = 575,717.76/x
  3. Step 3: Cross multiply
    711,238.86x = 1,065,338.10 × 575,717.76
  4. Step 4: Simplify right side
    711,238.86x = 613,334,064,574.66
  5. Step 5: Solve for x
    x = 613,334,064,574.66/711,238.86
  6. Step 6: Final answer
    x = 862,346.11

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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.