Home / 753,313.04-1,039,579.52-409,155.77

Finding the Fourth Proportional to 753,313.04, 1,039,579.52 and 409,155.77

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Solution

The fourth proportional to 753,313.04, 1,039,579.52 and 409,155.77 is: 564,639.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,313.04 : 1,039,579.52 = 409,155.77 : x
  2. Step 2: Convert to fraction form
    753,313.04/1,039,579.52 = 409,155.77/x
  3. Step 3: Cross multiply
    753,313.04x = 1,039,579.52 × 409,155.77
  4. Step 4: Simplify right side
    753,313.04x = 425,349,958,981.83
  5. Step 5: Solve for x
    x = 425,349,958,981.83/753,313.04
  6. Step 6: Final answer
    x = 564,639.05

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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.