Home / 1,004,280.48-1,505,139.84-470,624.40

Finding the Fourth Proportional to 1,004,280.48, 1,505,139.84 and 470,624.40

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Solution

The fourth proportional to 1,004,280.48, 1,505,139.84 and 470,624.40 is: 705,336.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,280.48 : 1,505,139.84 = 470,624.40 : x
  2. Step 2: Convert to fraction form
    1,004,280.48/1,505,139.84 = 470,624.40/x
  3. Step 3: Cross multiply
    1,004,280.48x = 1,505,139.84 × 470,624.40
  4. Step 4: Simplify right side
    1,004,280.48x = 708,355,534,116.10
  5. Step 5: Solve for x
    x = 708,355,534,116.10/1,004,280.48
  6. Step 6: Final answer
    x = 705,336.36

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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.