Home / 992,637.51-1,488,230.36-318,334.98

Finding the Fourth Proportional to 992,637.51, 1,488,230.36 and 318,334.98

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Solution

The fourth proportional to 992,637.51, 1,488,230.36 and 318,334.98 is: 477,269.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,637.51 : 1,488,230.36 = 318,334.98 : x
  2. Step 2: Convert to fraction form
    992,637.51/1,488,230.36 = 318,334.98/x
  3. Step 3: Cross multiply
    992,637.51x = 1,488,230.36 × 318,334.98
  4. Step 4: Simplify right side
    992,637.51x = 473,755,780,294.32
  5. Step 5: Solve for x
    x = 473,755,780,294.32/992,637.51
  6. Step 6: Final answer
    x = 477,269.67

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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.