Home / 849,655.20-1,274,482.80-471,741.60

Finding the Fourth Proportional to 849,655.20, 1,274,482.80 and 471,741.60

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Solution

The fourth proportional to 849,655.20, 1,274,482.80 and 471,741.60 is: 707,612.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,655.20 : 1,274,482.80 = 471,741.60 : x
  2. Step 2: Convert to fraction form
    849,655.20/1,274,482.80 = 471,741.60/x
  3. Step 3: Cross multiply
    849,655.20x = 1,274,482.80 × 471,741.60
  4. Step 4: Simplify right side
    849,655.20x = 601,226,555,244.48
  5. Step 5: Solve for x
    x = 601,226,555,244.48/849,655.20
  6. Step 6: Final answer
    x = 707,612.40

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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.