Home / 849,291.90-1,171,888.98-486,646.02

Finding the Fourth Proportional to 849,291.90, 1,171,888.98 and 486,646.02

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Solution

The fourth proportional to 849,291.90, 1,171,888.98 and 486,646.02 is: 671,494.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,291.90 : 1,171,888.98 = 486,646.02 : x
  2. Step 2: Convert to fraction form
    849,291.90/1,171,888.98 = 486,646.02/x
  3. Step 3: Cross multiply
    849,291.90x = 1,171,888.98 × 486,646.02
  4. Step 4: Simplify right side
    849,291.90x = 570,295,107,998.86
  5. Step 5: Solve for x
    x = 570,295,107,998.86/849,291.90
  6. Step 6: Final answer
    x = 671,494.82

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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.