Home / 830,458.10-1,146,032.15-448,484.85

Finding the Fourth Proportional to 830,458.10, 1,146,032.15 and 448,484.85

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Solution

The fourth proportional to 830,458.10, 1,146,032.15 and 448,484.85 is: 618,909.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,458.10 : 1,146,032.15 = 448,484.85 : x
  2. Step 2: Convert to fraction form
    830,458.10/1,146,032.15 = 448,484.85/x
  3. Step 3: Cross multiply
    830,458.10x = 1,146,032.15 × 448,484.85
  4. Step 4: Simplify right side
    830,458.10x = 513,978,054,645.50
  5. Step 5: Solve for x
    x = 513,978,054,645.50/830,458.10
  6. Step 6: Final answer
    x = 618,909.07

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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.