Home / 900,899.04-1,243,156.02-609,918.69

Finding the Fourth Proportional to 900,899.04, 1,243,156.02 and 609,918.69

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Solution

The fourth proportional to 900,899.04, 1,243,156.02 and 609,918.69 is: 841,630.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,899.04 : 1,243,156.02 = 609,918.69 : x
  2. Step 2: Convert to fraction form
    900,899.04/1,243,156.02 = 609,918.69/x
  3. Step 3: Cross multiply
    900,899.04x = 1,243,156.02 × 609,918.69
  4. Step 4: Simplify right side
    900,899.04x = 758,224,091,184.01
  5. Step 5: Solve for x
    x = 758,224,091,184.01/900,899.04
  6. Step 6: Final answer
    x = 841,630.48

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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.