Home / 890,225.04-1,227,840.84-618,293.28

Finding the Fourth Proportional to 890,225.04, 1,227,840.84 and 618,293.28

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Solution

The fourth proportional to 890,225.04, 1,227,840.84 and 618,293.28 is: 852,779.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,225.04 : 1,227,840.84 = 618,293.28 : x
  2. Step 2: Convert to fraction form
    890,225.04/1,227,840.84 = 618,293.28/x
  3. Step 3: Cross multiply
    890,225.04x = 1,227,840.84 × 618,293.28
  4. Step 4: Simplify right side
    890,225.04x = 759,165,740,281.56
  5. Step 5: Solve for x
    x = 759,165,740,281.56/890,225.04
  6. Step 6: Final answer
    x = 852,779.59

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Double scale
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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.