Home / 830,461.61-1,146,036.97-448,488.35

Finding the Fourth Proportional to 830,461.61, 1,146,036.97 and 448,488.35

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Solution

The fourth proportional to 830,461.61, 1,146,036.97 and 448,488.35 is: 618,913.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,461.61 : 1,146,036.97 = 448,488.35 : x
  2. Step 2: Convert to fraction form
    830,461.61/1,146,036.97 = 448,488.35/x
  3. Step 3: Cross multiply
    830,461.61x = 1,146,036.97 × 448,488.35
  4. Step 4: Simplify right side
    830,461.61x = 513,984,229,714.30
  5. Step 5: Solve for x
    x = 513,984,229,714.30/830,461.61
  6. Step 6: Final answer
    x = 618,913.90

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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.