Home / 875,879.20-1,312,911.60-475,674.40

Finding the Fourth Proportional to 875,879.20, 1,312,911.60 and 475,674.40

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Solution

The fourth proportional to 875,879.20, 1,312,911.60 and 475,674.40 is: 713,018.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,879.20 : 1,312,911.60 = 475,674.40 : x
  2. Step 2: Convert to fraction form
    875,879.20/1,312,911.60 = 475,674.40/x
  3. Step 3: Cross multiply
    875,879.20x = 1,312,911.60 × 475,674.40
  4. Step 4: Simplify right side
    875,879.20x = 624,518,437,583.04
  5. Step 5: Solve for x
    x = 624,518,437,583.04/875,879.20
  6. Step 6: Final answer
    x = 713,018.92

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1.5x scale

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.