Home / 747,281.79-1,031,271.66-425,038.32

Finding the Fourth Proportional to 747,281.79, 1,031,271.66 and 425,038.32

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Solution

The fourth proportional to 747,281.79, 1,031,271.66 and 425,038.32 is: 586,565.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,281.79 : 1,031,271.66 = 425,038.32 : x
  2. Step 2: Convert to fraction form
    747,281.79/1,031,271.66 = 425,038.32/x
  3. Step 3: Cross multiply
    747,281.79x = 1,031,271.66 × 425,038.32
  4. Step 4: Simplify right side
    747,281.79x = 438,329,973,830.01
  5. Step 5: Solve for x
    x = 438,329,973,830.01/747,281.79
  6. Step 6: Final answer
    x = 586,565.84

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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.