Home / 947,397.47-1,307,643.29-539,741.58

Finding the Fourth Proportional to 947,397.47, 1,307,643.29 and 539,741.58

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Solution

The fourth proportional to 947,397.47, 1,307,643.29 and 539,741.58 is: 744,977.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,397.47 : 1,307,643.29 = 539,741.58 : x
  2. Step 2: Convert to fraction form
    947,397.47/1,307,643.29 = 539,741.58/x
  3. Step 3: Cross multiply
    947,397.47x = 1,307,643.29 × 539,741.58
  4. Step 4: Simplify right side
    947,397.47x = 705,789,452,878.71
  5. Step 5: Solve for x
    x = 705,789,452,878.71/947,397.47
  6. Step 6: Final answer
    x = 744,977.14

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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.