Home / 711,550.32-1,065,922.92-578,580.72

Finding the Fourth Proportional to 711,550.32, 1,065,922.92 and 578,580.72

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Solution

The fourth proportional to 711,550.32, 1,065,922.92 and 578,580.72 is: 866,730.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,550.32 : 1,065,922.92 = 578,580.72 : x
  2. Step 2: Convert to fraction form
    711,550.32/1,065,922.92 = 578,580.72/x
  3. Step 3: Cross multiply
    711,550.32x = 1,065,922.92 × 578,580.72
  4. Step 4: Simplify right side
    711,550.32x = 616,722,450,518.10
  5. Step 5: Solve for x
    x = 616,722,450,518.10/711,550.32
  6. Step 6: Final answer
    x = 866,730.62

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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.