Home / 830,676.81-1,146,334.50-448,703.76

Finding the Fourth Proportional to 830,676.81, 1,146,334.50 and 448,703.76

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Solution

The fourth proportional to 830,676.81, 1,146,334.50 and 448,703.76 is: 619,211.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,676.81 : 1,146,334.50 = 448,703.76 : x
  2. Step 2: Convert to fraction form
    830,676.81/1,146,334.50 = 448,703.76/x
  3. Step 3: Cross multiply
    830,676.81x = 1,146,334.50 × 448,703.76
  4. Step 4: Simplify right side
    830,676.81x = 514,364,600,367.72
  5. Step 5: Solve for x
    x = 514,364,600,367.72/830,676.81
  6. Step 6: Final answer
    x = 619,211.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.