Home / 790,200.90-1,090,526.49-446,095.08

Finding the Fourth Proportional to 790,200.90, 1,090,526.49 and 446,095.08

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Solution

The fourth proportional to 790,200.90, 1,090,526.49 and 446,095.08 is: 615,639.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,200.90 : 1,090,526.49 = 446,095.08 : x
  2. Step 2: Convert to fraction form
    790,200.90/1,090,526.49 = 446,095.08/x
  3. Step 3: Cross multiply
    790,200.90x = 1,090,526.49 × 446,095.08
  4. Step 4: Simplify right side
    790,200.90x = 486,478,501,798.67
  5. Step 5: Solve for x
    x = 486,478,501,798.67/790,200.90
  6. Step 6: Final answer
    x = 615,639.01

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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.