Home / 847,275.03-1,169,239.50-465,301.80

Finding the Fourth Proportional to 847,275.03, 1,169,239.50 and 465,301.80

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Solution

The fourth proportional to 847,275.03, 1,169,239.50 and 465,301.80 is: 642,116.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,275.03 : 1,169,239.50 = 465,301.80 : x
  2. Step 2: Convert to fraction form
    847,275.03/1,169,239.50 = 465,301.80/x
  3. Step 3: Cross multiply
    847,275.03x = 1,169,239.50 × 465,301.80
  4. Step 4: Simplify right side
    847,275.03x = 544,049,243,981.10
  5. Step 5: Solve for x
    x = 544,049,243,981.10/847,275.03
  6. Step 6: Final answer
    x = 642,116.46

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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.