Home / 849,688.06-1,172,432.31-487,045.18

Finding the Fourth Proportional to 849,688.06, 1,172,432.31 and 487,045.18

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Solution

The fourth proportional to 849,688.06, 1,172,432.31 and 487,045.18 is: 672,043.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,688.06 : 1,172,432.31 = 487,045.18 : x
  2. Step 2: Convert to fraction form
    849,688.06/1,172,432.31 = 487,045.18/x
  3. Step 3: Cross multiply
    849,688.06x = 1,172,432.31 × 487,045.18
  4. Step 4: Simplify right side
    849,688.06x = 571,027,505,461.77
  5. Step 5: Solve for x
    x = 571,027,505,461.77/849,688.06
  6. Step 6: Final answer
    x = 672,043.70

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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.