Home / 840,281.63-1,159,602.47-458,308.41

Finding the Fourth Proportional to 840,281.63, 1,159,602.47 and 458,308.41

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Solution

The fourth proportional to 840,281.63, 1,159,602.47 and 458,308.41 is: 632,473.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,281.63 : 1,159,602.47 = 458,308.41 : x
  2. Step 2: Convert to fraction form
    840,281.63/1,159,602.47 = 458,308.41/x
  3. Step 3: Cross multiply
    840,281.63x = 1,159,602.47 × 458,308.41
  4. Step 4: Simplify right side
    840,281.63x = 531,455,561,966.23
  5. Step 5: Solve for x
    x = 531,455,561,966.23/840,281.63
  6. Step 6: Final answer
    x = 632,473.14

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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.