Home / 656,946.99-906,587.60-384,960.74

Finding the Fourth Proportional to 656,946.99, 906,587.60 and 384,960.74

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Solution

The fourth proportional to 656,946.99, 906,587.60 and 384,960.74 is: 531,246.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,946.99 : 906,587.60 = 384,960.74 : x
  2. Step 2: Convert to fraction form
    656,946.99/906,587.60 = 384,960.74/x
  3. Step 3: Cross multiply
    656,946.99x = 906,587.60 × 384,960.74
  4. Step 4: Simplify right side
    656,946.99x = 349,000,626,913.08
  5. Step 5: Solve for x
    x = 349,000,626,913.08/656,946.99
  6. Step 6: Final answer
    x = 531,246.25

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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.