Home / 592,419.47-817,536.38-320,486.72

Finding the Fourth Proportional to 592,419.47, 817,536.38 and 320,486.72

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Solution

The fourth proportional to 592,419.47, 817,536.38 and 320,486.72 is: 442,270.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,419.47 : 817,536.38 = 320,486.72 : x
  2. Step 2: Convert to fraction form
    592,419.47/817,536.38 = 320,486.72/x
  3. Step 3: Cross multiply
    592,419.47x = 817,536.38 × 320,486.72
  4. Step 4: Simplify right side
    592,419.47x = 262,009,547,216.76
  5. Step 5: Solve for x
    x = 262,009,547,216.76/592,419.47
  6. Step 6: Final answer
    x = 442,270.32

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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.