Home / 849,810.48-1,273,782.60-288,422.16

Finding the Fourth Proportional to 849,810.48, 1,273,782.60 and 288,422.16

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Solution

The fourth proportional to 849,810.48, 1,273,782.60 and 288,422.16 is: 432,316.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,810.48 : 1,273,782.60 = 288,422.16 : x
  2. Step 2: Convert to fraction form
    849,810.48/1,273,782.60 = 288,422.16/x
  3. Step 3: Cross multiply
    849,810.48x = 1,273,782.60 × 288,422.16
  4. Step 4: Simplify right side
    849,810.48x = 367,387,128,862.42
  5. Step 5: Solve for x
    x = 367,387,128,862.42/849,810.48
  6. Step 6: Final answer
    x = 432,316.54

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1.5x scale

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.