Home / 1,038,897.05-1,558,394.18-328,980.65

Finding the Fourth Proportional to 1,038,897.05, 1,558,394.18 and 328,980.65

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Solution

The fourth proportional to 1,038,897.05, 1,558,394.18 and 328,980.65 is: 493,486.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,897.05 : 1,558,394.18 = 328,980.65 : x
  2. Step 2: Convert to fraction form
    1,038,897.05/1,558,394.18 = 328,980.65/x
  3. Step 3: Cross multiply
    1,038,897.05x = 1,558,394.18 × 328,980.65
  4. Step 4: Simplify right side
    1,038,897.05x = 512,681,528,647.71
  5. Step 5: Solve for x
    x = 512,681,528,647.71/1,038,897.05
  6. Step 6: Final answer
    x = 493,486.36

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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.