Home / 867,455.76-1,197,095.04-485,518.08

Finding the Fourth Proportional to 867,455.76, 1,197,095.04 and 485,518.08

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Solution

The fourth proportional to 867,455.76, 1,197,095.04 and 485,518.08 is: 670,018.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,455.76 : 1,197,095.04 = 485,518.08 : x
  2. Step 2: Convert to fraction form
    867,455.76/1,197,095.04 = 485,518.08/x
  3. Step 3: Cross multiply
    867,455.76x = 1,197,095.04 × 485,518.08
  4. Step 4: Simplify right side
    867,455.76x = 581,211,285,398.32
  5. Step 5: Solve for x
    x = 581,211,285,398.32/867,455.76
  6. Step 6: Final answer
    x = 670,018.36

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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.