Home / 571,031.70-788,055.66-326,088.78

Finding the Fourth Proportional to 571,031.70, 788,055.66 and 326,088.78

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Solution

The fourth proportional to 571,031.70, 788,055.66 and 326,088.78 is: 450,020.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,031.70 : 788,055.66 = 326,088.78 : x
  2. Step 2: Convert to fraction form
    571,031.70/788,055.66 = 326,088.78/x
  3. Step 3: Cross multiply
    571,031.70x = 788,055.66 × 326,088.78
  4. Step 4: Simplify right side
    571,031.70x = 256,976,108,741.50
  5. Step 5: Solve for x
    x = 256,976,108,741.50/571,031.70
  6. Step 6: Final answer
    x = 450,020.74

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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.