Home / 804,810.90-1,109,877.75-528,681.24

Finding the Fourth Proportional to 804,810.90, 1,109,877.75 and 528,681.24

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Solution

The fourth proportional to 804,810.90, 1,109,877.75 and 528,681.24 is: 729,080.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,810.90 : 1,109,877.75 = 528,681.24 : x
  2. Step 2: Convert to fraction form
    804,810.90/1,109,877.75 = 528,681.24/x
  3. Step 3: Cross multiply
    804,810.90x = 1,109,877.75 × 528,681.24
  4. Step 4: Simplify right side
    804,810.90x = 586,771,545,118.41
  5. Step 5: Solve for x
    x = 586,771,545,118.41/804,810.90
  6. Step 6: Final answer
    x = 729,080.02

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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.