Home / 877,973.52-1,316,355.12-345,555.68

Finding the Fourth Proportional to 877,973.52, 1,316,355.12 and 345,555.68

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Solution

The fourth proportional to 877,973.52, 1,316,355.12 and 345,555.68 is: 518,095.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,973.52 : 1,316,355.12 = 345,555.68 : x
  2. Step 2: Convert to fraction form
    877,973.52/1,316,355.12 = 345,555.68/x
  3. Step 3: Cross multiply
    877,973.52x = 1,316,355.12 × 345,555.68
  4. Step 4: Simplify right side
    877,973.52x = 454,873,988,613.08
  5. Step 5: Solve for x
    x = 454,873,988,613.08/877,973.52
  6. Step 6: Final answer
    x = 518,095.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.