Home / 869,130.60-1,301,946.30-448,643.40

Finding the Fourth Proportional to 869,130.60, 1,301,946.30 and 448,643.40

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Solution

The fourth proportional to 869,130.60, 1,301,946.30 and 448,643.40 is: 672,061.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,130.60 : 1,301,946.30 = 448,643.40 : x
  2. Step 2: Convert to fraction form
    869,130.60/1,301,946.30 = 448,643.40/x
  3. Step 3: Cross multiply
    869,130.60x = 1,301,946.30 × 448,643.40
  4. Step 4: Simplify right side
    869,130.60x = 584,109,614,649.42
  5. Step 5: Solve for x
    x = 584,109,614,649.42/869,130.60
  6. Step 6: Final answer
    x = 672,061.96

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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.