Home / 697,970.32-1,044,888.68-430,872.08

Finding the Fourth Proportional to 697,970.32, 1,044,888.68 and 430,872.08

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Solution

The fourth proportional to 697,970.32, 1,044,888.68 and 430,872.08 is: 645,032.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,970.32 : 1,044,888.68 = 430,872.08 : x
  2. Step 2: Convert to fraction form
    697,970.32/1,044,888.68 = 430,872.08/x
  3. Step 3: Cross multiply
    697,970.32x = 1,044,888.68 × 430,872.08
  4. Step 4: Simplify right side
    697,970.32x = 450,213,358,920.05
  5. Step 5: Solve for x
    x = 450,213,358,920.05/697,970.32
  6. Step 6: Final answer
    x = 645,032.24

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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.