Home / 877,632.78-1,316,925.45-372,477.90

Finding the Fourth Proportional to 877,632.78, 1,316,925.45 and 372,477.90

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Solution

The fourth proportional to 877,632.78, 1,316,925.45 and 372,477.90 is: 558,918.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,632.78 : 1,316,925.45 = 372,477.90 : x
  2. Step 2: Convert to fraction form
    877,632.78/1,316,925.45 = 372,477.90/x
  3. Step 3: Cross multiply
    877,632.78x = 1,316,925.45 × 372,477.90
  4. Step 4: Simplify right side
    877,632.78x = 490,525,626,072.56
  5. Step 5: Solve for x
    x = 490,525,626,072.56/877,632.78
  6. Step 6: Final answer
    x = 558,918.99

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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.