Home / 890,875.91-1,335,679.23-417,302.93

Finding the Fourth Proportional to 890,875.91, 1,335,679.23 and 417,302.93

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Solution

The fourth proportional to 890,875.91, 1,335,679.23 and 417,302.93 is: 625,657.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,875.91 : 1,335,679.23 = 417,302.93 : x
  2. Step 2: Convert to fraction form
    890,875.91/1,335,679.23 = 417,302.93/x
  3. Step 3: Cross multiply
    890,875.91x = 1,335,679.23 × 417,302.93
  4. Step 4: Simplify right side
    890,875.91x = 557,382,856,219.14
  5. Step 5: Solve for x
    x = 557,382,856,219.14/890,875.91
  6. Step 6: Final answer
    x = 625,657.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.