Home / 840,438.48-1,159,801.02-458,461.92

Finding the Fourth Proportional to 840,438.48, 1,159,801.02 and 458,461.92

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Solution

The fourth proportional to 840,438.48, 1,159,801.02 and 458,461.92 is: 632,675.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,438.48 : 1,159,801.02 = 458,461.92 : x
  2. Step 2: Convert to fraction form
    840,438.48/1,159,801.02 = 458,461.92/x
  3. Step 3: Cross multiply
    840,438.48x = 1,159,801.02 × 458,461.92
  4. Step 4: Simplify right side
    840,438.48x = 531,724,602,447.16
  5. Step 5: Solve for x
    x = 531,724,602,447.16/840,438.48
  6. Step 6: Final answer
    x = 632,675.22

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Double scale
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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.