Home / 807,005.60-1,208,758.80-523,570.40

Finding the Fourth Proportional to 807,005.60, 1,208,758.80 and 523,570.40

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Solution

The fourth proportional to 807,005.60, 1,208,758.80 and 523,570.40 is: 784,220.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,005.60 : 1,208,758.80 = 523,570.40 : x
  2. Step 2: Convert to fraction form
    807,005.60/1,208,758.80 = 523,570.40/x
  3. Step 3: Cross multiply
    807,005.60x = 1,208,758.80 × 523,570.40
  4. Step 4: Simplify right side
    807,005.60x = 632,870,328,419.52
  5. Step 5: Solve for x
    x = 632,870,328,419.52/807,005.60
  6. Step 6: Final answer
    x = 784,220.49

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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.