Home / 551,068.40-760,499.59-306,054.11

Finding the Fourth Proportional to 551,068.40, 760,499.59 and 306,054.11

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Solution

The fourth proportional to 551,068.40, 760,499.59 and 306,054.11 is: 422,368.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,068.40 : 760,499.59 = 306,054.11 : x
  2. Step 2: Convert to fraction form
    551,068.40/760,499.59 = 306,054.11/x
  3. Step 3: Cross multiply
    551,068.40x = 760,499.59 × 306,054.11
  4. Step 4: Simplify right side
    551,068.40x = 232,754,026,308.93
  5. Step 5: Solve for x
    x = 232,754,026,308.93/551,068.40
  6. Step 6: Final answer
    x = 422,368.67

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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.