Home / 877,673.80-1,316,948.10-498,885.40

Finding the Fourth Proportional to 877,673.80, 1,316,948.10 and 498,885.40

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Solution

The fourth proportional to 877,673.80, 1,316,948.10 and 498,885.40 is: 748,576.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,673.80 : 1,316,948.10 = 498,885.40 : x
  2. Step 2: Convert to fraction form
    877,673.80/1,316,948.10 = 498,885.40/x
  3. Step 3: Cross multiply
    877,673.80x = 1,316,948.10 × 498,885.40
  4. Step 4: Simplify right side
    877,673.80x = 657,006,179,647.74
  5. Step 5: Solve for x
    x = 657,006,179,647.74/877,673.80
  6. Step 6: Final answer
    x = 748,576.73

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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.