Home / 913,579.69-1,369,897.35-401,035.05

Finding the Fourth Proportional to 913,579.69, 1,369,897.35 and 401,035.05

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Solution

The fourth proportional to 913,579.69, 1,369,897.35 and 401,035.05 is: 601,345.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,579.69 : 1,369,897.35 = 401,035.05 : x
  2. Step 2: Convert to fraction form
    913,579.69/1,369,897.35 = 401,035.05/x
  3. Step 3: Cross multiply
    913,579.69x = 1,369,897.35 × 401,035.05
  4. Step 4: Simplify right side
    913,579.69x = 549,376,852,440.12
  5. Step 5: Solve for x
    x = 549,376,852,440.12/913,579.69
  6. Step 6: Final answer
    x = 601,345.30

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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.