Home / 853,675.46-1,178,075.21-466,490.89

Finding the Fourth Proportional to 853,675.46, 1,178,075.21 and 466,490.89

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Solution

The fourth proportional to 853,675.46, 1,178,075.21 and 466,490.89 is: 643,759.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,675.46 : 1,178,075.21 = 466,490.89 : x
  2. Step 2: Convert to fraction form
    853,675.46/1,178,075.21 = 466,490.89/x
  3. Step 3: Cross multiply
    853,675.46x = 1,178,075.21 × 466,490.89
  4. Step 4: Simplify right side
    853,675.46x = 549,561,353,199.84
  5. Step 5: Solve for x
    x = 549,561,353,199.84/853,675.46
  6. Step 6: Final answer
    x = 643,759.11

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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.