Home / 857,674.61-1,284,888.06-572,505.30

Finding the Fourth Proportional to 857,674.61, 1,284,888.06 and 572,505.30

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Solution

The fourth proportional to 857,674.61, 1,284,888.06 and 572,505.30 is: 857,674.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,674.61 : 1,284,888.06 = 572,505.30 : x
  2. Step 2: Convert to fraction form
    857,674.61/1,284,888.06 = 572,505.30/x
  3. Step 3: Cross multiply
    857,674.61x = 1,284,888.06 × 572,505.30
  4. Step 4: Simplify right side
    857,674.61x = 735,605,224,256.72
  5. Step 5: Solve for x
    x = 735,605,224,256.72/857,674.61
  6. Step 6: Final answer
    x = 857,674.01

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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.