Home / 760,345.30-1,139,258.50-534,602.83

Finding the Fourth Proportional to 760,345.30, 1,139,258.50 and 534,602.83

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Solution

The fourth proportional to 760,345.30, 1,139,258.50 and 534,602.83 is: 801,018.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,345.30 : 1,139,258.50 = 534,602.83 : x
  2. Step 2: Convert to fraction form
    760,345.30/1,139,258.50 = 534,602.83/x
  3. Step 3: Cross multiply
    760,345.30x = 1,139,258.50 × 534,602.83
  4. Step 4: Simplify right side
    760,345.30x = 609,050,818,201.56
  5. Step 5: Solve for x
    x = 609,050,818,201.56/760,345.30
  6. Step 6: Final answer
    x = 801,018.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.