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Finding the Fourth Proportional to 458,730.10, 688,095.15 and 458,730.10

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Solution

The fourth proportional to 458,730.10, 688,095.15 and 458,730.10 is: 688,095.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,730.10 : 688,095.15 = 458,730.10 : x
  2. Step 2: Convert to fraction form
    458,730.10/688,095.15 = 458,730.10/x
  3. Step 3: Cross multiply
    458,730.10x = 688,095.15 × 458,730.10
  4. Step 4: Simplify right side
    458,730.10x = 315,649,956,969.02
  5. Step 5: Solve for x
    x = 315,649,956,969.02/458,730.10
  6. Step 6: Final answer
    x = 688,095.15

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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.