Home / 630,535.24-870,131.40-344,060.08

Finding the Fourth Proportional to 630,535.24, 870,131.40 and 344,060.08

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Solution

The fourth proportional to 630,535.24, 870,131.40 and 344,060.08 is: 474,798.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,535.24 : 870,131.40 = 344,060.08 : x
  2. Step 2: Convert to fraction form
    630,535.24/870,131.40 = 344,060.08/x
  3. Step 3: Cross multiply
    630,535.24x = 870,131.40 × 344,060.08
  4. Step 4: Simplify right side
    630,535.24x = 299,377,479,094.51
  5. Step 5: Solve for x
    x = 299,377,479,094.51/630,535.24
  6. Step 6: Final answer
    x = 474,798.96

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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.