Home / 830,458.61-1,146,032.84-448,485.35

Finding the Fourth Proportional to 830,458.61, 1,146,032.84 and 448,485.35

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Solution

The fourth proportional to 830,458.61, 1,146,032.84 and 448,485.35 is: 618,909.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,458.61 : 1,146,032.84 = 448,485.35 : x
  2. Step 2: Convert to fraction form
    830,458.61/1,146,032.84 = 448,485.35/x
  3. Step 3: Cross multiply
    830,458.61x = 1,146,032.84 × 448,485.35
  4. Step 4: Simplify right side
    830,458.61x = 513,978,937,116.47
  5. Step 5: Solve for x
    x = 513,978,937,116.47/830,458.61
  6. Step 6: Final answer
    x = 618,909.76

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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.