Home / 990,000.80-1,484,223.60-546,768.80

Finding the Fourth Proportional to 990,000.80, 1,484,223.60 and 546,768.80

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Solution

The fourth proportional to 990,000.80, 1,484,223.60 and 546,768.80 is: 819,723.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,000.80 : 1,484,223.60 = 546,768.80 : x
  2. Step 2: Convert to fraction form
    990,000.80/1,484,223.60 = 546,768.80/x
  3. Step 3: Cross multiply
    990,000.80x = 1,484,223.60 × 546,768.80
  4. Step 4: Simplify right side
    990,000.80x = 811,527,156,703.68
  5. Step 5: Solve for x
    x = 811,527,156,703.68/990,000.80
  6. Step 6: Final answer
    x = 819,723.74

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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.