Home / 842,859.90-1,163,051.16-498,706.38

Finding the Fourth Proportional to 842,859.90, 1,163,051.16 and 498,706.38

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Solution

The fourth proportional to 842,859.90, 1,163,051.16 and 498,706.38 is: 688,158.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,859.90 : 1,163,051.16 = 498,706.38 : x
  2. Step 2: Convert to fraction form
    842,859.90/1,163,051.16 = 498,706.38/x
  3. Step 3: Cross multiply
    842,859.90x = 1,163,051.16 × 498,706.38
  4. Step 4: Simplify right side
    842,859.90x = 580,021,033,758.40
  5. Step 5: Solve for x
    x = 580,021,033,758.40/842,859.90
  6. Step 6: Final answer
    x = 688,158.30

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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.