Home / 947,287.90-1,307,242.05-517,558.81

Finding the Fourth Proportional to 947,287.90, 1,307,242.05 and 517,558.81

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Solution

The fourth proportional to 947,287.90, 1,307,242.05 and 517,558.81 is: 714,222.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,287.90 : 1,307,242.05 = 517,558.81 : x
  2. Step 2: Convert to fraction form
    947,287.90/1,307,242.05 = 517,558.81/x
  3. Step 3: Cross multiply
    947,287.90x = 1,307,242.05 × 517,558.81
  4. Step 4: Simplify right side
    947,287.90x = 676,574,639,779.96
  5. Step 5: Solve for x
    x = 676,574,639,779.96/947,287.90
  6. Step 6: Final answer
    x = 714,222.82

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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.