Home / 820,629.32-1,133,068.26-530,412.56

Finding the Fourth Proportional to 820,629.32, 1,133,068.26 and 530,412.56

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Solution

The fourth proportional to 820,629.32, 1,133,068.26 and 530,412.56 is: 732,357.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,629.32 : 1,133,068.26 = 530,412.56 : x
  2. Step 2: Convert to fraction form
    820,629.32/1,133,068.26 = 530,412.56/x
  3. Step 3: Cross multiply
    820,629.32x = 1,133,068.26 × 530,412.56
  4. Step 4: Simplify right side
    820,629.32x = 600,993,636,441.35
  5. Step 5: Solve for x
    x = 600,993,636,441.35/820,629.32
  6. Step 6: Final answer
    x = 732,357.01

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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.