Home / 1,038,590.10-1,558,030.95-328,544.10

Finding the Fourth Proportional to 1,038,590.10, 1,558,030.95 and 328,544.10

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Solution

The fourth proportional to 1,038,590.10, 1,558,030.95 and 328,544.10 is: 492,862.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,590.10 : 1,558,030.95 = 328,544.10 : x
  2. Step 2: Convert to fraction form
    1,038,590.10/1,558,030.95 = 328,544.10/x
  3. Step 3: Cross multiply
    1,038,590.10x = 1,558,030.95 × 328,544.10
  4. Step 4: Simplify right side
    1,038,590.10x = 511,881,876,239.90
  5. Step 5: Solve for x
    x = 511,881,876,239.90/1,038,590.10
  6. Step 6: Final answer
    x = 492,862.27

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Double scale
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1.5x scale

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.