Home / 979,980.24-1,470,386.28-474,917.16

Finding the Fourth Proportional to 979,980.24, 1,470,386.28 and 474,917.16

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Solution

The fourth proportional to 979,980.24, 1,470,386.28 and 474,917.16 is: 712,577.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,980.24 : 1,470,386.28 = 474,917.16 : x
  2. Step 2: Convert to fraction form
    979,980.24/1,470,386.28 = 474,917.16/x
  3. Step 3: Cross multiply
    979,980.24x = 1,470,386.28 × 474,917.16
  4. Step 4: Simplify right side
    979,980.24x = 698,311,676,200.57
  5. Step 5: Solve for x
    x = 698,311,676,200.57/979,980.24
  6. Step 6: Final answer
    x = 712,577.30

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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.