Home / 913,699.02-1,260,889.66-505,792.32

Finding the Fourth Proportional to 913,699.02, 1,260,889.66 and 505,792.32

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Solution

The fourth proportional to 913,699.02, 1,260,889.66 and 505,792.32 is: 697,985.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,699.02 : 1,260,889.66 = 505,792.32 : x
  2. Step 2: Convert to fraction form
    913,699.02/1,260,889.66 = 505,792.32/x
  3. Step 3: Cross multiply
    913,699.02x = 1,260,889.66 × 505,792.32
  4. Step 4: Simplify right side
    913,699.02x = 637,748,306,395.41
  5. Step 5: Solve for x
    x = 637,748,306,395.41/913,699.02
  6. Step 6: Final answer
    x = 697,985.10

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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.