Home / 711,280.80-1,066,699.08-237,855.60

Finding the Fourth Proportional to 711,280.80, 1,066,699.08 and 237,855.60

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Solution

The fourth proportional to 711,280.80, 1,066,699.08 and 237,855.60 is: 356,709.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,280.80 : 1,066,699.08 = 237,855.60 : x
  2. Step 2: Convert to fraction form
    711,280.80/1,066,699.08 = 237,855.60/x
  3. Step 3: Cross multiply
    711,280.80x = 1,066,699.08 × 237,855.60
  4. Step 4: Simplify right side
    711,280.80x = 253,720,349,692.85
  5. Step 5: Solve for x
    x = 253,720,349,692.85/711,280.80
  6. Step 6: Final answer
    x = 356,709.12

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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.