Home / 906,280.80-1,358,528.40-507,112.80

Finding the Fourth Proportional to 906,280.80, 1,358,528.40 and 507,112.80

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Solution

The fourth proportional to 906,280.80, 1,358,528.40 and 507,112.80 is: 760,169.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,280.80 : 1,358,528.40 = 507,112.80 : x
  2. Step 2: Convert to fraction form
    906,280.80/1,358,528.40 = 507,112.80/x
  3. Step 3: Cross multiply
    906,280.80x = 1,358,528.40 × 507,112.80
  4. Step 4: Simplify right side
    906,280.80x = 688,927,140,803.52
  5. Step 5: Solve for x
    x = 688,927,140,803.52/906,280.80
  6. Step 6: Final answer
    x = 760,169.63

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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.