Home / 740,545.92-1,021,953.12-401,014.08

Finding the Fourth Proportional to 740,545.92, 1,021,953.12 and 401,014.08

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Solution

The fourth proportional to 740,545.92, 1,021,953.12 and 401,014.08 is: 553,399.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,545.92 : 1,021,953.12 = 401,014.08 : x
  2. Step 2: Convert to fraction form
    740,545.92/1,021,953.12 = 401,014.08/x
  3. Step 3: Cross multiply
    740,545.92x = 1,021,953.12 × 401,014.08
  4. Step 4: Simplify right side
    740,545.92x = 409,817,590,219.93
  5. Step 5: Solve for x
    x = 409,817,590,219.93/740,545.92
  6. Step 6: Final answer
    x = 553,399.30

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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.