Home / 896,416.28-1,237,038.13-488,521.64

Finding the Fourth Proportional to 896,416.28, 1,237,038.13 and 488,521.64

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Solution

The fourth proportional to 896,416.28, 1,237,038.13 and 488,521.64 is: 674,150.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,416.28 : 1,237,038.13 = 488,521.64 : x
  2. Step 2: Convert to fraction form
    896,416.28/1,237,038.13 = 488,521.64/x
  3. Step 3: Cross multiply
    896,416.28x = 1,237,038.13 × 488,521.64
  4. Step 4: Simplify right side
    896,416.28x = 604,319,888,603.64
  5. Step 5: Solve for x
    x = 604,319,888,603.64/896,416.28
  6. Step 6: Final answer
    x = 674,150.96

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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.