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Finding the Fourth Proportional to 662,064, 913,648.32 and 360,260.16

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Solution

The fourth proportional to 662,064, 913,648.32 and 360,260.16 is: 497,159.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,064 : 913,648.32 = 360,260.16 : x
  2. Step 2: Convert to fraction form
    662,064/913,648.32 = 360,260.16/x
  3. Step 3: Cross multiply
    662,064x = 913,648.32 × 360,260.16
  4. Step 4: Simplify right side
    662,064x = 329,151,089,946.93
  5. Step 5: Solve for x
    x = 329,151,089,946.93/662,064
  6. Step 6: Final answer
    x = 497,159.02

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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.