Home / 742,458.66-1,024,605.25-402,926.91

Finding the Fourth Proportional to 742,458.66, 1,024,605.25 and 402,926.91

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Solution

The fourth proportional to 742,458.66, 1,024,605.25 and 402,926.91 is: 556,045.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,458.66 : 1,024,605.25 = 402,926.91 : x
  2. Step 2: Convert to fraction form
    742,458.66/1,024,605.25 = 402,926.91/x
  3. Step 3: Cross multiply
    742,458.66x = 1,024,605.25 × 402,926.91
  4. Step 4: Simplify right side
    742,458.66x = 412,841,022,502.69
  5. Step 5: Solve for x
    x = 412,841,022,502.69/742,458.66
  6. Step 6: Final answer
    x = 556,045.81

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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.