Home / 571,030.70-788,054.28-326,087.78

Finding the Fourth Proportional to 571,030.70, 788,054.28 and 326,087.78

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Solution

The fourth proportional to 571,030.70, 788,054.28 and 326,087.78 is: 450,019.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,030.70 : 788,054.28 = 326,087.78 : x
  2. Step 2: Convert to fraction form
    571,030.70/788,054.28 = 326,087.78/x
  3. Step 3: Cross multiply
    571,030.70x = 788,054.28 × 326,087.78
  4. Step 4: Simplify right side
    571,030.70x = 256,974,870,684.70
  5. Step 5: Solve for x
    x = 256,974,870,684.70/571,030.70
  6. Step 6: Final answer
    x = 450,019.36

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Double scale
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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.