Home / 875,746.80-1,314,139.02-370,280.16

Finding the Fourth Proportional to 875,746.80, 1,314,139.02 and 370,280.16

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Solution

The fourth proportional to 875,746.80, 1,314,139.02 and 370,280.16 is: 555,639.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,746.80 : 1,314,139.02 = 370,280.16 : x
  2. Step 2: Convert to fraction form
    875,746.80/1,314,139.02 = 370,280.16/x
  3. Step 3: Cross multiply
    875,746.80x = 1,314,139.02 × 370,280.16
  4. Step 4: Simplify right side
    875,746.80x = 486,599,606,587.84
  5. Step 5: Solve for x
    x = 486,599,606,587.84/875,746.80
  6. Step 6: Final answer
    x = 555,639.61

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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.