Home / 830,714.81-1,146,387.47-448,741.59

Finding the Fourth Proportional to 830,714.81, 1,146,387.47 and 448,741.59

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Solution

The fourth proportional to 830,714.81, 1,146,387.47 and 448,741.59 is: 619,263.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,714.81 : 1,146,387.47 = 448,741.59 : x
  2. Step 2: Convert to fraction form
    830,714.81/1,146,387.47 = 448,741.59/x
  3. Step 3: Cross multiply
    830,714.81x = 1,146,387.47 × 448,741.59
  4. Step 4: Simplify right side
    830,714.81x = 514,431,733,800.17
  5. Step 5: Solve for x
    x = 514,431,733,800.17/830,714.81
  6. Step 6: Final answer
    x = 619,263.95

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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.