Home / 910,386.36-1,365,645.15-349,420.86

Finding the Fourth Proportional to 910,386.36, 1,365,645.15 and 349,420.86

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Solution

The fourth proportional to 910,386.36, 1,365,645.15 and 349,420.86 is: 524,156.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,386.36 : 1,365,645.15 = 349,420.86 : x
  2. Step 2: Convert to fraction form
    910,386.36/1,365,645.15 = 349,420.86/x
  3. Step 3: Cross multiply
    910,386.36x = 1,365,645.15 × 349,420.86
  4. Step 4: Simplify right side
    910,386.36x = 477,184,902,767.83
  5. Step 5: Solve for x
    x = 477,184,902,767.83/910,386.36
  6. Step 6: Final answer
    x = 524,156.47

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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.