Home / 877,551.20-1,316,326.80-503,266.40

Finding the Fourth Proportional to 877,551.20, 1,316,326.80 and 503,266.40

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Solution

The fourth proportional to 877,551.20, 1,316,326.80 and 503,266.40 is: 754,899.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,551.20 : 1,316,326.80 = 503,266.40 : x
  2. Step 2: Convert to fraction form
    877,551.20/1,316,326.80 = 503,266.40/x
  3. Step 3: Cross multiply
    877,551.20x = 1,316,326.80 × 503,266.40
  4. Step 4: Simplify right side
    877,551.20x = 662,463,049,859.52
  5. Step 5: Solve for x
    x = 662,463,049,859.52/877,551.20
  6. Step 6: Final answer
    x = 754,899.60

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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.