Home / 837,012.02-1,155,089.73-455,040.26

Finding the Fourth Proportional to 837,012.02, 1,155,089.73 and 455,040.26

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Solution

The fourth proportional to 837,012.02, 1,155,089.73 and 455,040.26 is: 627,962.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,012.02 : 1,155,089.73 = 455,040.26 : x
  2. Step 2: Convert to fraction form
    837,012.02/1,155,089.73 = 455,040.26/x
  3. Step 3: Cross multiply
    837,012.02x = 1,155,089.73 × 455,040.26
  4. Step 4: Simplify right side
    837,012.02x = 525,612,331,062.53
  5. Step 5: Solve for x
    x = 525,612,331,062.53/837,012.02
  6. Step 6: Final answer
    x = 627,962.70

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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.