Home / 709,329.02-977,730.26-479,802.46

Finding the Fourth Proportional to 709,329.02, 977,730.26 and 479,802.46

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Solution

The fourth proportional to 709,329.02, 977,730.26 and 479,802.46 is: 661,353.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,329.02 : 977,730.26 = 479,802.46 : x
  2. Step 2: Convert to fraction form
    709,329.02/977,730.26 = 479,802.46/x
  3. Step 3: Cross multiply
    709,329.02x = 977,730.26 × 479,802.46
  4. Step 4: Simplify right side
    709,329.02x = 469,117,383,964.44
  5. Step 5: Solve for x
    x = 469,117,383,964.44/709,329.02
  6. Step 6: Final answer
    x = 661,353.72

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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.