Home / 830,675.88-1,146,333.20-448,702.64

Finding the Fourth Proportional to 830,675.88, 1,146,333.20 and 448,702.64

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Solution

The fourth proportional to 830,675.88, 1,146,333.20 and 448,702.64 is: 619,209.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,675.88 : 1,146,333.20 = 448,702.64 : x
  2. Step 2: Convert to fraction form
    830,675.88/1,146,333.20 = 448,702.64/x
  3. Step 3: Cross multiply
    830,675.88x = 1,146,333.20 × 448,702.64
  4. Step 4: Simplify right side
    830,675.88x = 514,362,733,159.65
  5. Step 5: Solve for x
    x = 514,362,733,159.65/830,675.88
  6. Step 6: Final answer
    x = 619,209.91

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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.