Home / 947,288.29-1,307,242.56-517,559.19

Finding the Fourth Proportional to 947,288.29, 1,307,242.56 and 517,559.19

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Solution

The fourth proportional to 947,288.29, 1,307,242.56 and 517,559.19 is: 714,223.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,288.29 : 1,307,242.56 = 517,559.19 : x
  2. Step 2: Convert to fraction form
    947,288.29/1,307,242.56 = 517,559.19/x
  3. Step 3: Cross multiply
    947,288.29x = 1,307,242.56 × 517,559.19
  4. Step 4: Simplify right side
    947,288.29x = 676,575,393,950.91
  5. Step 5: Solve for x
    x = 676,575,393,950.91/947,288.29
  6. Step 6: Final answer
    x = 714,223.33

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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.