Home / 849,298.90-1,171,898.64-486,653.02

Finding the Fourth Proportional to 849,298.90, 1,171,898.64 and 486,653.02

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Solution

The fourth proportional to 849,298.90, 1,171,898.64 and 486,653.02 is: 671,504.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,298.90 : 1,171,898.64 = 486,653.02 : x
  2. Step 2: Convert to fraction form
    849,298.90/1,171,898.64 = 486,653.02/x
  3. Step 3: Cross multiply
    849,298.90x = 1,171,898.64 × 486,653.02
  4. Step 4: Simplify right side
    849,298.90x = 570,308,012,289.89
  5. Step 5: Solve for x
    x = 570,308,012,289.89/849,298.90
  6. Step 6: Final answer
    x = 671,504.48

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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.