Home / 915,307.08-1,371,410.57-554,387.37

Finding the Fourth Proportional to 915,307.08, 1,371,410.57 and 554,387.37

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Solution

The fourth proportional to 915,307.08, 1,371,410.57 and 554,387.37 is: 830,642.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,307.08 : 1,371,410.57 = 554,387.37 : x
  2. Step 2: Convert to fraction form
    915,307.08/1,371,410.57 = 554,387.37/x
  3. Step 3: Cross multiply
    915,307.08x = 1,371,410.57 × 554,387.37
  4. Step 4: Simplify right side
    915,307.08x = 760,292,699,092.50
  5. Step 5: Solve for x
    x = 760,292,699,092.50/915,307.08
  6. Step 6: Final answer
    x = 830,642.21

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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.