Home / 745,109.16-1,027,860.48-434,730.12

Finding the Fourth Proportional to 745,109.16, 1,027,860.48 and 434,730.12

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Solution

The fourth proportional to 745,109.16, 1,027,860.48 and 434,730.12 is: 599,699.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,109.16 : 1,027,860.48 = 434,730.12 : x
  2. Step 2: Convert to fraction form
    745,109.16/1,027,860.48 = 434,730.12/x
  3. Step 3: Cross multiply
    745,109.16x = 1,027,860.48 × 434,730.12
  4. Step 4: Simplify right side
    745,109.16x = 446,841,909,813.66
  5. Step 5: Solve for x
    x = 446,841,909,813.66/745,109.16
  6. Step 6: Final answer
    x = 599,699.93

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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.