Home / 877,713.12-1,316,569.56-308,960.28

Finding the Fourth Proportional to 877,713.12, 1,316,569.56 and 308,960.28

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Solution

The fourth proportional to 877,713.12, 1,316,569.56 and 308,960.28 is: 463,440.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,713.12 : 1,316,569.56 = 308,960.28 : x
  2. Step 2: Convert to fraction form
    877,713.12/1,316,569.56 = 308,960.28/x
  3. Step 3: Cross multiply
    877,713.12x = 1,316,569.56 × 308,960.28
  4. Step 4: Simplify right side
    877,713.12x = 406,767,699,897.08
  5. Step 5: Solve for x
    x = 406,767,699,897.08/877,713.12
  6. Step 6: Final answer
    x = 463,440.38

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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.