Home / 875,873.20-1,314,004.20-402,444.40

Finding the Fourth Proportional to 875,873.20, 1,314,004.20 and 402,444.40

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Solution

The fourth proportional to 875,873.20, 1,314,004.20 and 402,444.40 is: 603,755.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,873.20 : 1,314,004.20 = 402,444.40 : x
  2. Step 2: Convert to fraction form
    875,873.20/1,314,004.20 = 402,444.40/x
  3. Step 3: Cross multiply
    875,873.20x = 1,314,004.20 × 402,444.40
  4. Step 4: Simplify right side
    875,873.20x = 528,813,631,866.48
  5. Step 5: Solve for x
    x = 528,813,631,866.48/875,873.20
  6. Step 6: Final answer
    x = 603,755.92

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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.