Home / 757,307.04-1,045,066.87-417,775.20

Finding the Fourth Proportional to 757,307.04, 1,045,066.87 and 417,775.20

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Solution

The fourth proportional to 757,307.04, 1,045,066.87 and 417,775.20 is: 576,520.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,307.04 : 1,045,066.87 = 417,775.20 : x
  2. Step 2: Convert to fraction form
    757,307.04/1,045,066.87 = 417,775.20/x
  3. Step 3: Cross multiply
    757,307.04x = 1,045,066.87 × 417,775.20
  4. Step 4: Simplify right side
    757,307.04x = 436,603,020,627.62
  5. Step 5: Solve for x
    x = 436,603,020,627.62/757,307.04
  6. Step 6: Final answer
    x = 576,520.48

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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.